Home / 732,648.40-1,098,972.60-449,213.20

Finding the Fourth Proportional to 732,648.40, 1,098,972.60 and 449,213.20

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Solution

The fourth proportional to 732,648.40, 1,098,972.60 and 449,213.20 is: 673,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,648.40 : 1,098,972.60 = 449,213.20 : x
  2. Step 2: Convert to fraction form
    732,648.40/1,098,972.60 = 449,213.20/x
  3. Step 3: Cross multiply
    732,648.40x = 1,098,972.60 × 449,213.20
  4. Step 4: Simplify right side
    732,648.40x = 493,672,998,358.32
  5. Step 5: Solve for x
    x = 493,672,998,358.32/732,648.40
  6. Step 6: Final answer
    x = 673,819.80

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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.