Home / 667,759.92-1,001,641.50-194,456.76

Finding the Fourth Proportional to 667,759.92, 1,001,641.50 and 194,456.76

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Solution

The fourth proportional to 667,759.92, 1,001,641.50 and 194,456.76 is: 291,685.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,759.92 : 1,001,641.50 = 194,456.76 : x
  2. Step 2: Convert to fraction form
    667,759.92/1,001,641.50 = 194,456.76/x
  3. Step 3: Cross multiply
    667,759.92x = 1,001,641.50 × 194,456.76
  4. Step 4: Simplify right side
    667,759.92x = 194,775,960,771.54
  5. Step 5: Solve for x
    x = 194,775,960,771.54/667,759.92
  6. Step 6: Final answer
    x = 291,685.61

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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.