Home / 998,836.29-1,498,268.25-324,921.11

Finding the Fourth Proportional to 998,836.29, 1,498,268.25 and 324,921.11

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Solution

The fourth proportional to 998,836.29, 1,498,268.25 and 324,921.11 is: 487,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,836.29 : 1,498,268.25 = 324,921.11 : x
  2. Step 2: Convert to fraction form
    998,836.29/1,498,268.25 = 324,921.11/x
  3. Step 3: Cross multiply
    998,836.29x = 1,498,268.25 × 324,921.11
  4. Step 4: Simplify right side
    998,836.29x = 486,818,975,376.42
  5. Step 5: Solve for x
    x = 486,818,975,376.42/998,836.29
  6. Step 6: Final answer
    x = 487,386.15

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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.