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Finding the Fourth Proportional to 310,940.40, 465,719.40 and 269,468.40

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Solution

The fourth proportional to 310,940.40, 465,719.40 and 269,468.40 is: 403,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,940.40 : 465,719.40 = 269,468.40 : x
  2. Step 2: Convert to fraction form
    310,940.40/465,719.40 = 269,468.40/x
  3. Step 3: Cross multiply
    310,940.40x = 465,719.40 × 269,468.40
  4. Step 4: Simplify right side
    310,940.40x = 125,496,661,566.96
  5. Step 5: Solve for x
    x = 125,496,661,566.96/310,940.40
  6. Step 6: Final answer
    x = 403,603.59

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