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Finding the Fourth Proportional to 500,149.17, 748,612.85 and 329,511.77

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Solution

The fourth proportional to 500,149.17, 748,612.85 and 329,511.77 is: 493,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,149.17 : 748,612.85 = 329,511.77 : x
  2. Step 2: Convert to fraction form
    500,149.17/748,612.85 = 329,511.77/x
  3. Step 3: Cross multiply
    500,149.17x = 748,612.85 × 329,511.77
  4. Step 4: Simplify right side
    500,149.17x = 246,676,745,248.25
  5. Step 5: Solve for x
    x = 246,676,745,248.25/500,149.17
  6. Step 6: Final answer
    x = 493,206.35

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1.5x scale

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.