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Finding the Fourth Proportional to 366,963.60, 550,445.40 and 338,095.20

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Solution

The fourth proportional to 366,963.60, 550,445.40 and 338,095.20 is: 507,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,963.60 : 550,445.40 = 338,095.20 : x
  2. Step 2: Convert to fraction form
    366,963.60/550,445.40 = 338,095.20/x
  3. Step 3: Cross multiply
    366,963.60x = 550,445.40 × 338,095.20
  4. Step 4: Simplify right side
    366,963.60x = 186,102,947,602.08
  5. Step 5: Solve for x
    x = 186,102,947,602.08/366,963.60
  6. Step 6: Final answer
    x = 507,142.80

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