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Finding the Fourth Proportional to 395,516.80, 593,217.60 and 115,004.80

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Solution

The fourth proportional to 395,516.80, 593,217.60 and 115,004.80 is: 172,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,516.80 : 593,217.60 = 115,004.80 : x
  2. Step 2: Convert to fraction form
    395,516.80/593,217.60 = 115,004.80/x
  3. Step 3: Cross multiply
    395,516.80x = 593,217.60 × 115,004.80
  4. Step 4: Simplify right side
    395,516.80x = 68,222,871,444.48
  5. Step 5: Solve for x
    x = 68,222,871,444.48/395,516.80
  6. Step 6: Final answer
    x = 172,490.45

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