Home / 998,959.80-1,498,439.70-325,104.60

Finding the Fourth Proportional to 998,959.80, 1,498,439.70 and 325,104.60

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Solution

The fourth proportional to 998,959.80, 1,498,439.70 and 325,104.60 is: 487,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,959.80 : 1,498,439.70 = 325,104.60 : x
  2. Step 2: Convert to fraction form
    998,959.80/1,498,439.70 = 325,104.60/x
  3. Step 3: Cross multiply
    998,959.80x = 1,498,439.70 × 325,104.60
  4. Step 4: Simplify right side
    998,959.80x = 487,149,639,292.62
  5. Step 5: Solve for x
    x = 487,149,639,292.62/998,959.80
  6. Step 6: Final answer
    x = 487,656.90

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Similar ratio
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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.