Home / 998,834.67-1,498,265.88-324,919.53

Finding the Fourth Proportional to 998,834.67, 1,498,265.88 and 324,919.53

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Solution

The fourth proportional to 998,834.67, 1,498,265.88 and 324,919.53 is: 487,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,834.67 : 1,498,265.88 = 324,919.53 : x
  2. Step 2: Convert to fraction form
    998,834.67/1,498,265.88 = 324,919.53/x
  3. Step 3: Cross multiply
    998,834.67x = 1,498,265.88 × 324,919.53
  4. Step 4: Simplify right side
    998,834.67x = 486,815,845,544.64
  5. Step 5: Solve for x
    x = 486,815,845,544.64/998,834.67
  6. Step 6: Final answer
    x = 487,383.81

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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.