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Finding the Fourth Proportional to 368,876.80, 552,877.80 and 331,260.40

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Solution

The fourth proportional to 368,876.80, 552,877.80 and 331,260.40 is: 496,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,876.80 : 552,877.80 = 331,260.40 : x
  2. Step 2: Convert to fraction form
    368,876.80/552,877.80 = 331,260.40/x
  3. Step 3: Cross multiply
    368,876.80x = 552,877.80 × 331,260.40
  4. Step 4: Simplify right side
    368,876.80x = 183,146,521,179.12
  5. Step 5: Solve for x
    x = 183,146,521,179.12/368,876.80
  6. Step 6: Final answer
    x = 496,497.80

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