Home / 748,481.24-1,123,000.68-449,176.52

Finding the Fourth Proportional to 748,481.24, 1,123,000.68 and 449,176.52

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Solution

The fourth proportional to 748,481.24, 1,123,000.68 and 449,176.52 is: 673,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,481.24 : 1,123,000.68 = 449,176.52 : x
  2. Step 2: Convert to fraction form
    748,481.24/1,123,000.68 = 449,176.52/x
  3. Step 3: Cross multiply
    748,481.24x = 1,123,000.68 × 449,176.52
  4. Step 4: Simplify right side
    748,481.24x = 504,425,537,400.03
  5. Step 5: Solve for x
    x = 504,425,537,400.03/748,481.24
  6. Step 6: Final answer
    x = 673,932.10

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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.