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Finding the Fourth Proportional to 452,960.40, 679,438.20 and 116,000.40

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Solution

The fourth proportional to 452,960.40, 679,438.20 and 116,000.40 is: 173,999.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,960.40 : 679,438.20 = 116,000.40 : x
  2. Step 2: Convert to fraction form
    452,960.40/679,438.20 = 116,000.40/x
  3. Step 3: Cross multiply
    452,960.40x = 679,438.20 × 116,000.40
  4. Step 4: Simplify right side
    452,960.40x = 78,815,102,975.28
  5. Step 5: Solve for x
    x = 78,815,102,975.28/452,960.40
  6. Step 6: Final answer
    x = 173,999.99

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