Finding the Fourth Proportional to 706,116.20, 974,909.57 and 542,481.26
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Solution
The fourth proportional to 706,116.20, 974,909.57 and 542,481.26 is: 748,984.61
Step by Step Solution
- Step 1: Write the proportion equation
706,116.20 : 974,909.57 = 542,481.26 : x - Step 2: Convert to fraction form
706,116.20/974,909.57 = 542,481.26/x - Step 3: Cross multiply
706,116.20x = 974,909.57 × 542,481.26 - Step 4: Simplify right side
706,116.20x = 528,870,164,332.70 - Step 5: Solve for x
x = 528,870,164,332.70/706,116.20 - Step 6: Final answer
x = 748,984.61
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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.