Home / 998,998.80-1,498,498.20-733,278.30

Finding the Fourth Proportional to 998,998.80, 1,498,498.20 and 733,278.30

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Solution

The fourth proportional to 998,998.80, 1,498,498.20 and 733,278.30 is: 1,099,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,998.80 : 1,498,498.20 = 733,278.30 : x
  2. Step 2: Convert to fraction form
    998,998.80/1,498,498.20 = 733,278.30/x
  3. Step 3: Cross multiply
    998,998.80x = 1,498,498.20 × 733,278.30
  4. Step 4: Simplify right side
    998,998.80x = 1,098,816,212,649.06
  5. Step 5: Solve for x
    x = 1,098,816,212,649.06/998,998.80
  6. Step 6: Final answer
    x = 1,099,917.45

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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.