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Finding the Fourth Proportional to 493,974.40, 740,961.60 and 178,441.60

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Solution

The fourth proportional to 493,974.40, 740,961.60 and 178,441.60 is: 267,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,974.40 : 740,961.60 = 178,441.60 : x
  2. Step 2: Convert to fraction form
    493,974.40/740,961.60 = 178,441.60/x
  3. Step 3: Cross multiply
    493,974.40x = 740,961.60 × 178,441.60
  4. Step 4: Simplify right side
    493,974.40x = 132,218,373,442.56
  5. Step 5: Solve for x
    x = 132,218,373,442.56/493,974.40
  6. Step 6: Final answer
    x = 267,662.40

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