Home / 997,998.12-1,377,250.55-568,279.95

Finding the Fourth Proportional to 997,998.12, 1,377,250.55 and 568,279.95

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Solution

The fourth proportional to 997,998.12, 1,377,250.55 and 568,279.95 is: 784,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,998.12 : 1,377,250.55 = 568,279.95 : x
  2. Step 2: Convert to fraction form
    997,998.12/1,377,250.55 = 568,279.95/x
  3. Step 3: Cross multiply
    997,998.12x = 1,377,250.55 × 568,279.95
  4. Step 4: Simplify right side
    997,998.12x = 782,663,873,691.47
  5. Step 5: Solve for x
    x = 782,663,873,691.47/997,998.12
  6. Step 6: Final answer
    x = 784,233.82

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1.5x scale

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.