428.04 is what percent of 556.8 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 556.8 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 556.8, so we can write it down as 100%=556.8.
4. We know, that x% equals 428.04 of the output value, so we can write it down as x%=428.04.
5. Now we have two simple equations:
1) 100%=556.8
2) x%=428.04
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=556.8/428.04
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 428.04 is what percent of 556.8

100%/x%=556.8/428.04
(100/x)*x=(556.8/428.04)*x       - we multiply both sides of the equation by x
100=1.3008130081301*x       - we divide both sides of the equation by (1.3008130081301) to get x
100/1.3008130081301=x
76.875=x
x=76.875

now we have:
428.04 is 76.875% of 556.8