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Finding the Fourth Proportional to 408,067.60, 612,101.40 and 282,096.40

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Solution

The fourth proportional to 408,067.60, 612,101.40 and 282,096.40 is: 423,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,067.60 : 612,101.40 = 282,096.40 : x
  2. Step 2: Convert to fraction form
    408,067.60/612,101.40 = 282,096.40/x
  3. Step 3: Cross multiply
    408,067.60x = 612,101.40 × 282,096.40
  4. Step 4: Simplify right side
    408,067.60x = 172,671,601,374.96
  5. Step 5: Solve for x
    x = 172,671,601,374.96/408,067.60
  6. Step 6: Final answer
    x = 423,144.60

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