Home / 814,958.92-1,222,437.30-309,518.92

Finding the Fourth Proportional to 814,958.92, 1,222,437.30 and 309,518.92

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Solution

The fourth proportional to 814,958.92, 1,222,437.30 and 309,518.92 is: 464,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,958.92 : 1,222,437.30 = 309,518.92 : x
  2. Step 2: Convert to fraction form
    814,958.92/1,222,437.30 = 309,518.92/x
  3. Step 3: Cross multiply
    814,958.92x = 1,222,437.30 × 309,518.92
  4. Step 4: Simplify right side
    814,958.92x = 378,367,472,863.72
  5. Step 5: Solve for x
    x = 378,367,472,863.72/814,958.92
  6. Step 6: Final answer
    x = 464,277.97

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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.