Home / 809,672.80-1,213,731.60-629,658.40

Finding the Fourth Proportional to 809,672.80, 1,213,731.60 and 629,658.40

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Solution

The fourth proportional to 809,672.80, 1,213,731.60 and 629,658.40 is: 943,882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,672.80 : 1,213,731.60 = 629,658.40 : x
  2. Step 2: Convert to fraction form
    809,672.80/1,213,731.60 = 629,658.40/x
  3. Step 3: Cross multiply
    809,672.80x = 1,213,731.60 × 629,658.40
  4. Step 4: Simplify right side
    809,672.80x = 764,236,297,285.44
  5. Step 5: Solve for x
    x = 764,236,297,285.44/809,672.80
  6. Step 6: Final answer
    x = 943,882.88

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