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Finding the Fourth Proportional to 457,247.20, 685,870.80 and 124,823.20

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Solution

The fourth proportional to 457,247.20, 685,870.80 and 124,823.20 is: 187,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,247.20 : 685,870.80 = 124,823.20 : x
  2. Step 2: Convert to fraction form
    457,247.20/685,870.80 = 124,823.20/x
  3. Step 3: Cross multiply
    457,247.20x = 685,870.80 × 124,823.20
  4. Step 4: Simplify right side
    457,247.20x = 85,612,588,042.56
  5. Step 5: Solve for x
    x = 85,612,588,042.56/457,247.20
  6. Step 6: Final answer
    x = 187,234.80

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