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Finding the Fourth Proportional to 412,750.32, 619,125.48 and 330,169.20

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Solution

The fourth proportional to 412,750.32, 619,125.48 and 330,169.20 is: 495,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,750.32 : 619,125.48 = 330,169.20 : x
  2. Step 2: Convert to fraction form
    412,750.32/619,125.48 = 330,169.20/x
  3. Step 3: Cross multiply
    412,750.32x = 619,125.48 × 330,169.20
  4. Step 4: Simplify right side
    412,750.32x = 204,416,164,431.22
  5. Step 5: Solve for x
    x = 204,416,164,431.22/412,750.32
  6. Step 6: Final answer
    x = 495,253.80

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