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Finding the Fourth Proportional to 366,921.40, 550,382.10 and 307,872.40

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Solution

The fourth proportional to 366,921.40, 550,382.10 and 307,872.40 is: 461,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,921.40 : 550,382.10 = 307,872.40 : x
  2. Step 2: Convert to fraction form
    366,921.40/550,382.10 = 307,872.40/x
  3. Step 3: Cross multiply
    366,921.40x = 550,382.10 × 307,872.40
  4. Step 4: Simplify right side
    366,921.40x = 169,447,458,044.04
  5. Step 5: Solve for x
    x = 169,447,458,044.04/366,921.40
  6. Step 6: Final answer
    x = 461,808.60

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