Home / 645,245.80-967,091.10-329,540.20

Finding the Fourth Proportional to 645,245.80, 967,091.10 and 329,540.20

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Solution

The fourth proportional to 645,245.80, 967,091.10 and 329,540.20 is: 493,913.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,245.80 : 967,091.10 = 329,540.20 : x
  2. Step 2: Convert to fraction form
    645,245.80/967,091.10 = 329,540.20/x
  3. Step 3: Cross multiply
    645,245.80x = 967,091.10 × 329,540.20
  4. Step 4: Simplify right side
    645,245.80x = 318,695,394,512.22
  5. Step 5: Solve for x
    x = 318,695,394,512.22/645,245.80
  6. Step 6: Final answer
    x = 493,913.16

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