Home / 667,557.10-1,001,335.45-443,355.24

Finding the Fourth Proportional to 667,557.10, 1,001,335.45 and 443,355.24

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Solution

The fourth proportional to 667,557.10, 1,001,335.45 and 443,355.24 is: 665,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,557.10 : 1,001,335.45 = 443,355.24 : x
  2. Step 2: Convert to fraction form
    667,557.10/1,001,335.45 = 443,355.24/x
  3. Step 3: Cross multiply
    667,557.10x = 1,001,335.45 × 443,355.24
  4. Step 4: Simplify right side
    667,557.10x = 443,947,318,755.26
  5. Step 5: Solve for x
    x = 443,947,318,755.26/667,557.10
  6. Step 6: Final answer
    x = 665,032.73

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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.