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Finding the Fourth Proportional to 557,163.72, 768,901.68 and 327,737.70

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Solution

The fourth proportional to 557,163.72, 768,901.68 and 327,737.70 is: 452,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,163.72 : 768,901.68 = 327,737.70 : x
  2. Step 2: Convert to fraction form
    557,163.72/768,901.68 = 327,737.70/x
  3. Step 3: Cross multiply
    557,163.72x = 768,901.68 × 327,737.70
  4. Step 4: Simplify right side
    557,163.72x = 251,998,068,129.34
  5. Step 5: Solve for x
    x = 251,998,068,129.34/557,163.72
  6. Step 6: Final answer
    x = 452,287.29

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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.