Home / 667,572.88-1,002,106.56-443,371.12

Finding the Fourth Proportional to 667,572.88, 1,002,106.56 and 443,371.12

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Solution

The fourth proportional to 667,572.88, 1,002,106.56 and 443,371.12 is: 665,552.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,572.88 : 1,002,106.56 = 443,371.12 : x
  2. Step 2: Convert to fraction form
    667,572.88/1,002,106.56 = 443,371.12/x
  3. Step 3: Cross multiply
    667,572.88x = 1,002,106.56 × 443,371.12
  4. Step 4: Simplify right side
    667,572.88x = 444,305,107,866.55
  5. Step 5: Solve for x
    x = 444,305,107,866.55/667,572.88
  6. Step 6: Final answer
    x = 665,552.96

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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.