Home / 677,831.28-1,016,568.72-322,137.60

Finding the Fourth Proportional to 677,831.28, 1,016,568.72 and 322,137.60

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Solution

The fourth proportional to 677,831.28, 1,016,568.72 and 322,137.60 is: 483,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,831.28 : 1,016,568.72 = 322,137.60 : x
  2. Step 2: Convert to fraction form
    677,831.28/1,016,568.72 = 322,137.60/x
  3. Step 3: Cross multiply
    677,831.28x = 1,016,568.72 × 322,137.60
  4. Step 4: Simplify right side
    677,831.28x = 327,475,007,695.87
  5. Step 5: Solve for x
    x = 327,475,007,695.87/677,831.28
  6. Step 6: Final answer
    x = 483,121.71

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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.