Home / 998,830.28-1,498,452.78-333,965

Finding the Fourth Proportional to 998,830.28, 1,498,452.78 and 333,965

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Solution

The fourth proportional to 998,830.28, 1,498,452.78 and 333,965 is: 501,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,830.28 : 1,498,452.78 = 333,965 : x
  2. Step 2: Convert to fraction form
    998,830.28/1,498,452.78 = 333,965/x
  3. Step 3: Cross multiply
    998,830.28x = 1,498,452.78 × 333,965
  4. Step 4: Simplify right side
    998,830.28x = 500,430,782,672.70
  5. Step 5: Solve for x
    x = 500,430,782,672.70/998,830.28
  6. Step 6: Final answer
    x = 501,016.83

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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.