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Finding the Fourth Proportional to 631,046.52, 870,879.48 and 344,593.20

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Solution

The fourth proportional to 631,046.52, 870,879.48 and 344,593.20 is: 475,557.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,046.52 : 870,879.48 = 344,593.20 : x
  2. Step 2: Convert to fraction form
    631,046.52/870,879.48 = 344,593.20/x
  3. Step 3: Cross multiply
    631,046.52x = 870,879.48 × 344,593.20
  4. Step 4: Simplify right side
    631,046.52x = 300,099,146,827.54
  5. Step 5: Solve for x
    x = 300,099,146,827.54/631,046.52
  6. Step 6: Final answer
    x = 475,557.88

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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.