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Finding the Fourth Proportional to 474,405.80, 711,608.70 and 194,124.20

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Solution

The fourth proportional to 474,405.80, 711,608.70 and 194,124.20 is: 291,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,405.80 : 711,608.70 = 194,124.20 : x
  2. Step 2: Convert to fraction form
    474,405.80/711,608.70 = 194,124.20/x
  3. Step 3: Cross multiply
    474,405.80x = 711,608.70 × 194,124.20
  4. Step 4: Simplify right side
    474,405.80x = 138,140,469,600.54
  5. Step 5: Solve for x
    x = 138,140,469,600.54/474,405.80
  6. Step 6: Final answer
    x = 291,186.30

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