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Finding the Fourth Proportional to 522,086.10, 783,129.15 and 495,129.30

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Solution

The fourth proportional to 522,086.10, 783,129.15 and 495,129.30 is: 742,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,086.10 : 783,129.15 = 495,129.30 : x
  2. Step 2: Convert to fraction form
    522,086.10/783,129.15 = 495,129.30/x
  3. Step 3: Cross multiply
    522,086.10x = 783,129.15 × 495,129.30
  4. Step 4: Simplify right side
    522,086.10x = 387,750,187,849.10
  5. Step 5: Solve for x
    x = 387,750,187,849.10/522,086.10
  6. Step 6: Final answer
    x = 742,693.95

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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.