Home / 999,375.12-1,499,167.69-325,508.90

Finding the Fourth Proportional to 999,375.12, 1,499,167.69 and 325,508.90

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Solution

The fourth proportional to 999,375.12, 1,499,167.69 and 325,508.90 is: 488,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,375.12 : 1,499,167.69 = 325,508.90 : x
  2. Step 2: Convert to fraction form
    999,375.12/1,499,167.69 = 325,508.90/x
  3. Step 3: Cross multiply
    999,375.12x = 1,499,167.69 × 325,508.90
  4. Step 4: Simplify right side
    999,375.12x = 487,992,418,191.60
  5. Step 5: Solve for x
    x = 487,992,418,191.60/999,375.12
  6. Step 6: Final answer
    x = 488,297.55

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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.