Home / 625,872.85-938,977.77-322,101.49

Finding the Fourth Proportional to 625,872.85, 938,977.77 and 322,101.49

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Solution

The fourth proportional to 625,872.85, 938,977.77 and 322,101.49 is: 483,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,872.85 : 938,977.77 = 322,101.49 : x
  2. Step 2: Convert to fraction form
    625,872.85/938,977.77 = 322,101.49/x
  3. Step 3: Cross multiply
    625,872.85x = 938,977.77 × 322,101.49
  4. Step 4: Simplify right side
    625,872.85x = 302,446,138,793.88
  5. Step 5: Solve for x
    x = 302,446,138,793.88/625,872.85
  6. Step 6: Final answer
    x = 483,238.95

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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.