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Finding the Fourth Proportional to 366,838.40, 550,257.60 and 317,630.90

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Solution

The fourth proportional to 366,838.40, 550,257.60 and 317,630.90 is: 476,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,838.40 : 550,257.60 = 317,630.90 : x
  2. Step 2: Convert to fraction form
    366,838.40/550,257.60 = 317,630.90/x
  3. Step 3: Cross multiply
    366,838.40x = 550,257.60 × 317,630.90
  4. Step 4: Simplify right side
    366,838.40x = 174,778,816,719.84
  5. Step 5: Solve for x
    x = 174,778,816,719.84/366,838.40
  6. Step 6: Final answer
    x = 476,446.35

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