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Finding the Fourth Proportional to 432,828.80, 649,243.20 and 117,324.80

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Solution

The fourth proportional to 432,828.80, 649,243.20 and 117,324.80 is: 175,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,828.80 : 649,243.20 = 117,324.80 : x
  2. Step 2: Convert to fraction form
    432,828.80/649,243.20 = 117,324.80/x
  3. Step 3: Cross multiply
    432,828.80x = 649,243.20 × 117,324.80
  4. Step 4: Simplify right side
    432,828.80x = 76,172,328,591.36
  5. Step 5: Solve for x
    x = 76,172,328,591.36/432,828.80
  6. Step 6: Final answer
    x = 175,987.20

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