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Finding the Fourth Proportional to 432,824.80, 649,237.20 and 255,416.80

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Solution

The fourth proportional to 432,824.80, 649,237.20 and 255,416.80 is: 383,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,824.80 : 649,237.20 = 255,416.80 : x
  2. Step 2: Convert to fraction form
    432,824.80/649,237.20 = 255,416.80/x
  3. Step 3: Cross multiply
    432,824.80x = 649,237.20 × 255,416.80
  4. Step 4: Simplify right side
    432,824.80x = 165,826,088,064.96
  5. Step 5: Solve for x
    x = 165,826,088,064.96/432,824.80
  6. Step 6: Final answer
    x = 383,125.20

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