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Finding the Fourth Proportional to 630,537.26, 870,134.18 and 344,062.13

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Solution

The fourth proportional to 630,537.26, 870,134.18 and 344,062.13 is: 474,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,537.26 : 870,134.18 = 344,062.13 : x
  2. Step 2: Convert to fraction form
    630,537.26/870,134.18 = 344,062.13/x
  3. Step 3: Cross multiply
    630,537.26x = 870,134.18 × 344,062.13
  4. Step 4: Simplify right side
    630,537.26x = 299,380,213,285.62
  5. Step 5: Solve for x
    x = 299,380,213,285.62/630,537.26
  6. Step 6: Final answer
    x = 474,801.78

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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.