Finding the Fourth Proportional to 968,985.15, 1,337,186.49 and 539,265.17
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Solution
The fourth proportional to 968,985.15, 1,337,186.49 and 539,265.17 is: 744,178.68
Step by Step Solution
- Step 1: Write the proportion equation
968,985.15 : 1,337,186.49 = 539,265.17 : x - Step 2: Convert to fraction form
968,985.15/1,337,186.49 = 539,265.17/x - Step 3: Cross multiply
968,985.15x = 1,337,186.49 × 539,265.17 - Step 4: Simplify right side
968,985.15x = 721,098,093,165.62 - Step 5: Solve for x
x = 721,098,093,165.62/968,985.15 - Step 6: Final answer
x = 744,178.68
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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.