Finding the Fourth Proportional to 968,985.13, 1,337,186.41 and 539,265.14
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Solution
The fourth proportional to 968,985.13, 1,337,186.41 and 539,265.14 is: 744,178.62
Step by Step Solution
- Step 1: Write the proportion equation
968,985.13 : 1,337,186.41 = 539,265.14 : x - Step 2: Convert to fraction form
968,985.13/1,337,186.41 = 539,265.14/x - Step 3: Cross multiply
968,985.13x = 1,337,186.41 × 539,265.14 - Step 4: Simplify right side
968,985.13x = 721,098,016,594.75 - Step 5: Solve for x
x = 721,098,016,594.75/968,985.13 - Step 6: Final answer
x = 744,178.62
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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.