Home / 809,326.20-1,213,989.30-276,799.80

Finding the Fourth Proportional to 809,326.20, 1,213,989.30 and 276,799.80

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Solution

The fourth proportional to 809,326.20, 1,213,989.30 and 276,799.80 is: 415,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,326.20 : 1,213,989.30 = 276,799.80 : x
  2. Step 2: Convert to fraction form
    809,326.20/1,213,989.30 = 276,799.80/x
  3. Step 3: Cross multiply
    809,326.20x = 1,213,989.30 × 276,799.80
  4. Step 4: Simplify right side
    809,326.20x = 336,031,995,442.14
  5. Step 5: Solve for x
    x = 336,031,995,442.14/809,326.20
  6. Step 6: Final answer
    x = 415,199.70

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