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Finding the Fourth Proportional to 366,922.60, 550,383.90 and 260,634.40

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Solution

The fourth proportional to 366,922.60, 550,383.90 and 260,634.40 is: 390,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,922.60 : 550,383.90 = 260,634.40 : x
  2. Step 2: Convert to fraction form
    366,922.60/550,383.90 = 260,634.40/x
  3. Step 3: Cross multiply
    366,922.60x = 550,383.90 × 260,634.40
  4. Step 4: Simplify right side
    366,922.60x = 143,448,977,546.16
  5. Step 5: Solve for x
    x = 143,448,977,546.16/366,922.60
  6. Step 6: Final answer
    x = 390,951.60

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