Finding the Fourth Proportional to 537,116.80, 741,163.08 and 310,720
Calculator
Solution
The fourth proportional to 537,116.80, 741,163.08 and 310,720 is: 428,759.99
Step by Step Solution
- Step 1: Write the proportion equation
537,116.80 : 741,163.08 = 310,720 : x - Step 2: Convert to fraction form
537,116.80/741,163.08 = 310,720/x - Step 3: Cross multiply
537,116.80x = 741,163.08 × 310,720 - Step 4: Simplify right side
537,116.80x = 230,294,192,217.60 - Step 5: Solve for x
x = 230,294,192,217.60/537,116.80 - Step 6: Final answer
x = 428,759.99
Related Problems
Find fourth proportional to 268,558.40, 370,581.54 and 155,360
Half scale
Find fourth proportional to 1,074,233.60, 1,482,326.16 and 621,440
Double scale
Find fourth proportional to 537,117.80, 741,164.46 and 310,721
Similar ratio
Find fourth proportional to 805,675.20, 1,111,744.62 and 466,080
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.