Home / 806,655.20-1,209,983.18-332,819.78

Finding the Fourth Proportional to 806,655.20, 1,209,983.18 and 332,819.78

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Solution

The fourth proportional to 806,655.20, 1,209,983.18 and 332,819.78 is: 499,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,655.20 : 1,209,983.18 = 332,819.78 : x
  2. Step 2: Convert to fraction form
    806,655.20/1,209,983.18 = 332,819.78/x
  3. Step 3: Cross multiply
    806,655.20x = 1,209,983.18 × 332,819.78
  4. Step 4: Simplify right side
    806,655.20x = 402,706,335,771.30
  5. Step 5: Solve for x
    x = 402,706,335,771.30/806,655.20
  6. Step 6: Final answer
    x = 499,229.83

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