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Finding the Fourth Proportional to 465,940.69, 698,833.17 and 129,015.40

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Solution

The fourth proportional to 465,940.69, 698,833.17 and 129,015.40 is: 193,501.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,940.69 : 698,833.17 = 129,015.40 : x
  2. Step 2: Convert to fraction form
    465,940.69/698,833.17 = 129,015.40/x
  3. Step 3: Cross multiply
    465,940.69x = 698,833.17 × 129,015.40
  4. Step 4: Simplify right side
    465,940.69x = 90,160,240,960.82
  5. Step 5: Solve for x
    x = 90,160,240,960.82/465,940.69
  6. Step 6: Final answer
    x = 193,501.54

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