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Finding the Fourth Proportional to 502,512.40, 752,456.40 and 324,053.20

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Solution

The fourth proportional to 502,512.40, 752,456.40 and 324,053.20 is: 485,233.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,512.40 : 752,456.40 = 324,053.20 : x
  2. Step 2: Convert to fraction form
    502,512.40/752,456.40 = 324,053.20/x
  3. Step 3: Cross multiply
    502,512.40x = 752,456.40 × 324,053.20
  4. Step 4: Simplify right side
    502,512.40x = 243,835,904,280.48
  5. Step 5: Solve for x
    x = 243,835,904,280.48/502,512.40
  6. Step 6: Final answer
    x = 485,233.61

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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.