Home / 868,311.76-1,302,589.92-269,321.60

Finding the Fourth Proportional to 868,311.76, 1,302,589.92 and 269,321.60

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Solution

The fourth proportional to 868,311.76, 1,302,589.92 and 269,321.60 is: 404,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,311.76 : 1,302,589.92 = 269,321.60 : x
  2. Step 2: Convert to fraction form
    868,311.76/1,302,589.92 = 269,321.60/x
  3. Step 3: Cross multiply
    868,311.76x = 1,302,589.92 × 269,321.60
  4. Step 4: Simplify right side
    868,311.76x = 350,815,601,398.27
  5. Step 5: Solve for x
    x = 350,815,601,398.27/868,311.76
  6. Step 6: Final answer
    x = 404,020.33

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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.