Home / 498,811.80-748,217.70-124,834.20

Finding the Fourth Proportional to 498,811.80, 748,217.70 and 124,834.20

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Solution

The fourth proportional to 498,811.80, 748,217.70 and 124,834.20 is: 187,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,811.80 : 748,217.70 = 124,834.20 : x
  2. Step 2: Convert to fraction form
    498,811.80/748,217.70 = 124,834.20/x
  3. Step 3: Cross multiply
    498,811.80x = 748,217.70 × 124,834.20
  4. Step 4: Simplify right side
    498,811.80x = 93,403,158,005.34
  5. Step 5: Solve for x
    x = 93,403,158,005.34/498,811.80
  6. Step 6: Final answer
    x = 187,251.30

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Similar ratio
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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.