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Finding the Fourth Proportional to 409,213.16, 612,771.68 and 341,577.03

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Solution

The fourth proportional to 409,213.16, 612,771.68 and 341,577.03 is: 511,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,213.16 : 612,771.68 = 341,577.03 : x
  2. Step 2: Convert to fraction form
    409,213.16/612,771.68 = 341,577.03/x
  3. Step 3: Cross multiply
    409,213.16x = 612,771.68 × 341,577.03
  4. Step 4: Simplify right side
    409,213.16x = 209,308,728,990.58
  5. Step 5: Solve for x
    x = 209,308,728,990.58/409,213.16
  6. Step 6: Final answer
    x = 511,490.71

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