Home / 1,324,831.20-1,987,246.80-327,559.20

Finding the Fourth Proportional to 1,324,831.20, 1,987,246.80 and 327,559.20

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Solution

The fourth proportional to 1,324,831.20, 1,987,246.80 and 327,559.20 is: 491,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,831.20 : 1,987,246.80 = 327,559.20 : x
  2. Step 2: Convert to fraction form
    1,324,831.20/1,987,246.80 = 327,559.20/x
  3. Step 3: Cross multiply
    1,324,831.20x = 1,987,246.80 × 327,559.20
  4. Step 4: Simplify right side
    1,324,831.20x = 650,940,972,010.56
  5. Step 5: Solve for x
    x = 650,940,972,010.56/1,324,831.20
  6. Step 6: Final answer
    x = 491,338.80

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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.