Home / 998,998.20-1,498,497.30-367,781.40

Finding the Fourth Proportional to 998,998.20, 1,498,497.30 and 367,781.40

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Solution

The fourth proportional to 998,998.20, 1,498,497.30 and 367,781.40 is: 551,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,998.20 : 1,498,497.30 = 367,781.40 : x
  2. Step 2: Convert to fraction form
    998,998.20/1,498,497.30 = 367,781.40/x
  3. Step 3: Cross multiply
    998,998.20x = 1,498,497.30 × 367,781.40
  4. Step 4: Simplify right side
    998,998.20x = 551,119,434,890.22
  5. Step 5: Solve for x
    x = 551,119,434,890.22/998,998.20
  6. Step 6: Final answer
    x = 551,672.10

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Double scale
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Similar ratio
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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.