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Finding the Fourth Proportional to 312,654.48, 468,977.52 and 75,996.48

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Solution

The fourth proportional to 312,654.48, 468,977.52 and 75,996.48 is: 113,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,654.48 : 468,977.52 = 75,996.48 : x
  2. Step 2: Convert to fraction form
    312,654.48/468,977.52 = 75,996.48/x
  3. Step 3: Cross multiply
    312,654.48x = 468,977.52 × 75,996.48
  4. Step 4: Simplify right side
    312,654.48x = 35,640,640,719.13
  5. Step 5: Solve for x
    x = 35,640,640,719.13/312,654.48
  6. Step 6: Final answer
    x = 113,993.70

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