Home / 998,843.89-1,498,279.65-324,928.71

Finding the Fourth Proportional to 998,843.89, 1,498,279.65 and 324,928.71

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Solution

The fourth proportional to 998,843.89, 1,498,279.65 and 324,928.71 is: 487,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,843.89 : 1,498,279.65 = 324,928.71 : x
  2. Step 2: Convert to fraction form
    998,843.89/1,498,279.65 = 324,928.71/x
  3. Step 3: Cross multiply
    998,843.89x = 1,498,279.65 × 324,928.71
  4. Step 4: Simplify right side
    998,843.89x = 486,834,073,893.75
  5. Step 5: Solve for x
    x = 486,834,073,893.75/998,843.89
  6. Step 6: Final answer
    x = 487,397.56

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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.