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Finding the Fourth Proportional to 325,497.60, 488,246.40 and 281,174.40

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Solution

The fourth proportional to 325,497.60, 488,246.40 and 281,174.40 is: 421,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,497.60 : 488,246.40 = 281,174.40 : x
  2. Step 2: Convert to fraction form
    325,497.60/488,246.40 = 281,174.40/x
  3. Step 3: Cross multiply
    325,497.60x = 488,246.40 × 281,174.40
  4. Step 4: Simplify right side
    325,497.60x = 137,282,388,572.16
  5. Step 5: Solve for x
    x = 137,282,388,572.16/325,497.60
  6. Step 6: Final answer
    x = 421,761.60

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