Home / 327,905.20-491,857.80-117,564.40

Finding the Fourth Proportional to 327,905.20, 491,857.80 and 117,564.40

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Solution

The fourth proportional to 327,905.20, 491,857.80 and 117,564.40 is: 176,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,905.20 : 491,857.80 = 117,564.40 : x
  2. Step 2: Convert to fraction form
    327,905.20/491,857.80 = 117,564.40/x
  3. Step 3: Cross multiply
    327,905.20x = 491,857.80 × 117,564.40
  4. Step 4: Simplify right side
    327,905.20x = 57,824,967,142.32
  5. Step 5: Solve for x
    x = 57,824,967,142.32/327,905.20
  6. Step 6: Final answer
    x = 176,346.60

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