What is 317 percent of 398 - 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 398 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 398 is 100%, so we can write it down as 398=100%.
4. We know, that x is 317% of the output value, so we can write it down as x=317%.
5. Now we have two simple equations:
1) 398=100%
2) x=317%
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:
398/x=100%/317%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 317% of 398

398/x=100/317
(398/x)*x=(100/317)*x       - we multiply both sides of the equation by x
398=0.31545741324921*x       - we divide both sides of the equation by (0.31545741324921) to get x
398/0.31545741324921=x
1261.66=x
x=1261.66

now we have:
317% of 398=1261.66