Home / 1,002,451.08-1,503,179.13-319,248.90

Finding the Fourth Proportional to 1,002,451.08, 1,503,179.13 and 319,248.90

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Solution

The fourth proportional to 1,002,451.08, 1,503,179.13 and 319,248.90 is: 478,714.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,451.08 : 1,503,179.13 = 319,248.90 : x
  2. Step 2: Convert to fraction form
    1,002,451.08/1,503,179.13 = 319,248.90/x
  3. Step 3: Cross multiply
    1,002,451.08x = 1,503,179.13 × 319,248.90
  4. Step 4: Simplify right side
    1,002,451.08x = 479,888,283,755.46
  5. Step 5: Solve for x
    x = 479,888,283,755.46/1,002,451.08
  6. Step 6: Final answer
    x = 478,714.92

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1.5x scale

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.