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Finding the Fourth Proportional to 432,023.20, 648,034.80 and 264,061.60

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Solution

The fourth proportional to 432,023.20, 648,034.80 and 264,061.60 is: 396,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,023.20 : 648,034.80 = 264,061.60 : x
  2. Step 2: Convert to fraction form
    432,023.20/648,034.80 = 264,061.60/x
  3. Step 3: Cross multiply
    432,023.20x = 648,034.80 × 264,061.60
  4. Step 4: Simplify right side
    432,023.20x = 171,121,106,143.68
  5. Step 5: Solve for x
    x = 171,121,106,143.68/432,023.20
  6. Step 6: Final answer
    x = 396,092.40

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