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Finding the Fourth Proportional to 310,040.10, 465,060.15 and 305,892.90

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Solution

The fourth proportional to 310,040.10, 465,060.15 and 305,892.90 is: 458,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,040.10 : 465,060.15 = 305,892.90 : x
  2. Step 2: Convert to fraction form
    310,040.10/465,060.15 = 305,892.90/x
  3. Step 3: Cross multiply
    310,040.10x = 465,060.15 × 305,892.90
  4. Step 4: Simplify right side
    310,040.10x = 142,258,597,957.94
  5. Step 5: Solve for x
    x = 142,258,597,957.94/310,040.10
  6. Step 6: Final answer
    x = 458,839.35

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