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Finding the Fourth Proportional to 367,455.20, 551,182.80 and 320,799.20

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Solution

The fourth proportional to 367,455.20, 551,182.80 and 320,799.20 is: 481,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,455.20 : 551,182.80 = 320,799.20 : x
  2. Step 2: Convert to fraction form
    367,455.20/551,182.80 = 320,799.20/x
  3. Step 3: Cross multiply
    367,455.20x = 551,182.80 × 320,799.20
  4. Step 4: Simplify right side
    367,455.20x = 176,819,001,293.76
  5. Step 5: Solve for x
    x = 176,819,001,293.76/367,455.20
  6. Step 6: Final answer
    x = 481,198.80

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