Home / 725,854.88-1,001,680.08-419,972.96

Finding the Fourth Proportional to 725,854.88, 1,001,680.08 and 419,972.96

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Solution

The fourth proportional to 725,854.88, 1,001,680.08 and 419,972.96 is: 579,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,854.88 : 1,001,680.08 = 419,972.96 : x
  2. Step 2: Convert to fraction form
    725,854.88/1,001,680.08 = 419,972.96/x
  3. Step 3: Cross multiply
    725,854.88x = 1,001,680.08 × 419,972.96
  4. Step 4: Simplify right side
    725,854.88x = 420,678,548,170.64
  5. Step 5: Solve for x
    x = 420,678,548,170.64/725,854.88
  6. Step 6: Final answer
    x = 579,562.88

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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.