Home / 998,825.31-1,498,251.80-324,910.15

Finding the Fourth Proportional to 998,825.31, 1,498,251.80 and 324,910.15

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Solution

The fourth proportional to 998,825.31, 1,498,251.80 and 324,910.15 is: 487,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,825.31 : 1,498,251.80 = 324,910.15 : x
  2. Step 2: Convert to fraction form
    998,825.31/1,498,251.80 = 324,910.15/x
  3. Step 3: Cross multiply
    998,825.31x = 1,498,251.80 × 324,910.15
  4. Step 4: Simplify right side
    998,825.31x = 486,797,214,142.42
  5. Step 5: Solve for x
    x = 486,797,214,142.42/998,825.31
  6. Step 6: Final answer
    x = 487,369.72

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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.