Home / 488,581.40-732,872.10-133,631.30

Finding the Fourth Proportional to 488,581.40, 732,872.10 and 133,631.30

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Solution

The fourth proportional to 488,581.40, 732,872.10 and 133,631.30 is: 200,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,581.40 : 732,872.10 = 133,631.30 : x
  2. Step 2: Convert to fraction form
    488,581.40/732,872.10 = 133,631.30/x
  3. Step 3: Cross multiply
    488,581.40x = 732,872.10 × 133,631.30
  4. Step 4: Simplify right side
    488,581.40x = 97,934,651,456.73
  5. Step 5: Solve for x
    x = 97,934,651,456.73/488,581.40
  6. Step 6: Final answer
    x = 200,446.95

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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.