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Finding the Fourth Proportional to 432,483.90, 648,724.32 and 116,940.78

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Solution

The fourth proportional to 432,483.90, 648,724.32 and 116,940.78 is: 175,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,483.90 : 648,724.32 = 116,940.78 : x
  2. Step 2: Convert to fraction form
    432,483.90/648,724.32 = 116,940.78/x
  3. Step 3: Cross multiply
    432,483.90x = 648,724.32 × 116,940.78
  4. Step 4: Simplify right side
    432,483.90x = 75,862,327,985.77
  5. Step 5: Solve for x
    x = 75,862,327,985.77/432,483.90
  6. Step 6: Final answer
    x = 175,410.76

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