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Finding the Fourth Proportional to 432,817.60, 649,226.40 and 327,841.60

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Solution

The fourth proportional to 432,817.60, 649,226.40 and 327,841.60 is: 491,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,817.60 : 649,226.40 = 327,841.60 : x
  2. Step 2: Convert to fraction form
    432,817.60/649,226.40 = 327,841.60/x
  3. Step 3: Cross multiply
    432,817.60x = 649,226.40 × 327,841.60
  4. Step 4: Simplify right side
    432,817.60x = 212,843,421,738.24
  5. Step 5: Solve for x
    x = 212,843,421,738.24/432,817.60
  6. Step 6: Final answer
    x = 491,762.40

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