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Finding the Fourth Proportional to 456,670.80, 685,049.40 and 124,246.80

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Solution

The fourth proportional to 456,670.80, 685,049.40 and 124,246.80 is: 186,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,670.80 : 685,049.40 = 124,246.80 : x
  2. Step 2: Convert to fraction form
    456,670.80/685,049.40 = 124,246.80/x
  3. Step 3: Cross multiply
    456,670.80x = 685,049.40 × 124,246.80
  4. Step 4: Simplify right side
    456,670.80x = 85,115,195,791.92
  5. Step 5: Solve for x
    x = 85,115,195,791.92/456,670.80
  6. Step 6: Final answer
    x = 186,381.95

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