Home / 667,456.30-1,001,293.62-218,046.70

Finding the Fourth Proportional to 667,456.30, 1,001,293.62 and 218,046.70

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Solution

The fourth proportional to 667,456.30, 1,001,293.62 and 218,046.70 is: 327,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,456.30 : 1,001,293.62 = 218,046.70 : x
  2. Step 2: Convert to fraction form
    667,456.30/1,001,293.62 = 218,046.70/x
  3. Step 3: Cross multiply
    667,456.30x = 1,001,293.62 × 218,046.70
  4. Step 4: Simplify right side
    667,456.30x = 218,328,769,572.05
  5. Step 5: Solve for x
    x = 218,328,769,572.05/667,456.30
  6. Step 6: Final answer
    x = 327,105.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.