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Finding the Fourth Proportional to 432,832.80, 649,249.20 and 255,424.80

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Solution

The fourth proportional to 432,832.80, 649,249.20 and 255,424.80 is: 383,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,832.80 : 649,249.20 = 255,424.80 : x
  2. Step 2: Convert to fraction form
    432,832.80/649,249.20 = 255,424.80/x
  3. Step 3: Cross multiply
    432,832.80x = 649,249.20 × 255,424.80
  4. Step 4: Simplify right side
    432,832.80x = 165,834,347,060.16
  5. Step 5: Solve for x
    x = 165,834,347,060.16/432,832.80
  6. Step 6: Final answer
    x = 383,137.20

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