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Finding the Fourth Proportional to 647,982.12, 972,407.04 and 268,903.26

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Solution

The fourth proportional to 647,982.12, 972,407.04 and 268,903.26 is: 403,534.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,982.12 : 972,407.04 = 268,903.26 : x
  2. Step 2: Convert to fraction form
    647,982.12/972,407.04 = 268,903.26/x
  3. Step 3: Cross multiply
    647,982.12x = 972,407.04 × 268,903.26
  4. Step 4: Simplify right side
    647,982.12x = 261,483,423,102.95
  5. Step 5: Solve for x
    x = 261,483,423,102.95/647,982.12
  6. Step 6: Final answer
    x = 403,534.94

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