Home / 850,616.85-1,275,882.87-318,098.73

Finding the Fourth Proportional to 850,616.85, 1,275,882.87 and 318,098.73

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Solution

The fourth proportional to 850,616.85, 1,275,882.87 and 318,098.73 is: 477,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,616.85 : 1,275,882.87 = 318,098.73 : x
  2. Step 2: Convert to fraction form
    850,616.85/1,275,882.87 = 318,098.73/x
  3. Step 3: Cross multiply
    850,616.85x = 1,275,882.87 × 318,098.73
  4. Step 4: Simplify right side
    850,616.85x = 405,856,720,575.76
  5. Step 5: Solve for x
    x = 405,856,720,575.76/850,616.85
  6. Step 6: Final answer
    x = 477,132.24

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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.