Home / 723,748.46-998,753.58-417,814.52

Finding the Fourth Proportional to 723,748.46, 998,753.58 and 417,814.52

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Solution

The fourth proportional to 723,748.46, 998,753.58 and 417,814.52 is: 576,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,748.46 : 998,753.58 = 417,814.52 : x
  2. Step 2: Convert to fraction form
    723,748.46/998,753.58 = 417,814.52/x
  3. Step 3: Cross multiply
    723,748.46x = 998,753.58 × 417,814.52
  4. Step 4: Simplify right side
    723,748.46x = 417,293,747,625.98
  5. Step 5: Solve for x
    x = 417,293,747,625.98/723,748.46
  6. Step 6: Final answer
    x = 576,572.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.