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Finding the Fourth Proportional to 408,843.40, 612,098.70 and 362,187.40

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Solution

The fourth proportional to 408,843.40, 612,098.70 and 362,187.40 is: 542,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,843.40 : 612,098.70 = 362,187.40 : x
  2. Step 2: Convert to fraction form
    408,843.40/612,098.70 = 362,187.40/x
  3. Step 3: Cross multiply
    408,843.40x = 612,098.70 × 362,187.40
  4. Step 4: Simplify right side
    408,843.40x = 221,694,436,696.38
  5. Step 5: Solve for x
    x = 221,694,436,696.38/408,843.40
  6. Step 6: Final answer
    x = 542,247.81

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