Home / 998,781.84-1,498,314.92-324,646.38

Finding the Fourth Proportional to 998,781.84, 1,498,314.92 and 324,646.38

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Solution

The fourth proportional to 998,781.84, 1,498,314.92 and 324,646.38 is: 487,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,781.84 : 1,498,314.92 = 324,646.38 : x
  2. Step 2: Convert to fraction form
    998,781.84/1,498,314.92 = 324,646.38/x
  3. Step 3: Cross multiply
    998,781.84x = 1,498,314.92 × 324,646.38
  4. Step 4: Simplify right side
    998,781.84x = 486,422,513,254.76
  5. Step 5: Solve for x
    x = 486,422,513,254.76/998,781.84
  6. Step 6: Final answer
    x = 487,015.78

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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.