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Finding the Fourth Proportional to 510,080.10, 765,120.15 and 454,092.90

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Solution

The fourth proportional to 510,080.10, 765,120.15 and 454,092.90 is: 681,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,080.10 : 765,120.15 = 454,092.90 : x
  2. Step 2: Convert to fraction form
    510,080.10/765,120.15 = 454,092.90/x
  3. Step 3: Cross multiply
    510,080.10x = 765,120.15 × 454,092.90
  4. Step 4: Simplify right side
    510,080.10x = 347,435,627,761.94
  5. Step 5: Solve for x
    x = 347,435,627,761.94/510,080.10
  6. Step 6: Final answer
    x = 681,139.35

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.