Home / 706,337.28-1,057,872.96-425,234.88

Finding the Fourth Proportional to 706,337.28, 1,057,872.96 and 425,234.88

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Solution

The fourth proportional to 706,337.28, 1,057,872.96 and 425,234.88 is: 636,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,337.28 : 1,057,872.96 = 425,234.88 : x
  2. Step 2: Convert to fraction form
    706,337.28/1,057,872.96 = 425,234.88/x
  3. Step 3: Cross multiply
    706,337.28x = 1,057,872.96 × 425,234.88
  4. Step 4: Simplify right side
    706,337.28x = 449,844,481,200.85
  5. Step 5: Solve for x
    x = 449,844,481,200.85/706,337.28
  6. Step 6: Final answer
    x = 636,869.23

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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.