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Finding the Fourth Proportional to 493,207.62, 680,553.54 and 299,514.60

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Solution

The fourth proportional to 493,207.62, 680,553.54 and 299,514.60 is: 413,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,207.62 : 680,553.54 = 299,514.60 : x
  2. Step 2: Convert to fraction form
    493,207.62/680,553.54 = 299,514.60/x
  3. Step 3: Cross multiply
    493,207.62x = 680,553.54 × 299,514.60
  4. Step 4: Simplify right side
    493,207.62x = 203,835,721,311.68
  5. Step 5: Solve for x
    x = 203,835,721,311.68/493,207.62
  6. Step 6: Final answer
    x = 413,285.83

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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.