Home / 769,917.62-1,062,493.21-425,776.87

Finding the Fourth Proportional to 769,917.62, 1,062,493.21 and 425,776.87

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Solution

The fourth proportional to 769,917.62, 1,062,493.21 and 425,776.87 is: 587,575.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,917.62 : 1,062,493.21 = 425,776.87 : x
  2. Step 2: Convert to fraction form
    769,917.62/1,062,493.21 = 425,776.87/x
  3. Step 3: Cross multiply
    769,917.62x = 1,062,493.21 × 425,776.87
  4. Step 4: Simplify right side
    769,917.62x = 452,385,025,908.70
  5. Step 5: Solve for x
    x = 452,385,025,908.70/769,917.62
  6. Step 6: Final answer
    x = 587,575.88

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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.