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Finding the Fourth Proportional to 307,964.40, 461,946.60 and 262,863.60

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Solution

The fourth proportional to 307,964.40, 461,946.60 and 262,863.60 is: 394,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,964.40 : 461,946.60 = 262,863.60 : x
  2. Step 2: Convert to fraction form
    307,964.40/461,946.60 = 262,863.60/x
  3. Step 3: Cross multiply
    307,964.40x = 461,946.60 × 262,863.60
  4. Step 4: Simplify right side
    307,964.40x = 121,428,946,283.76
  5. Step 5: Solve for x
    x = 121,428,946,283.76/307,964.40
  6. Step 6: Final answer
    x = 394,295.40

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