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Finding the Fourth Proportional to 335,455.80, 503,183.70 and 311,836.20

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Solution

The fourth proportional to 335,455.80, 503,183.70 and 311,836.20 is: 467,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,455.80 : 503,183.70 = 311,836.20 : x
  2. Step 2: Convert to fraction form
    335,455.80/503,183.70 = 311,836.20/x
  3. Step 3: Cross multiply
    335,455.80x = 503,183.70 × 311,836.20
  4. Step 4: Simplify right side
    335,455.80x = 156,910,892,909.94
  5. Step 5: Solve for x
    x = 156,910,892,909.94/335,455.80
  6. Step 6: Final answer
    x = 467,754.30

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