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Finding the Fourth Proportional to 484,300.80, 726,451.20 and 379,209.60

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Solution

The fourth proportional to 484,300.80, 726,451.20 and 379,209.60 is: 568,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,300.80 : 726,451.20 = 379,209.60 : x
  2. Step 2: Convert to fraction form
    484,300.80/726,451.20 = 379,209.60/x
  3. Step 3: Cross multiply
    484,300.80x = 726,451.20 × 379,209.60
  4. Step 4: Simplify right side
    484,300.80x = 275,477,268,971.52
  5. Step 5: Solve for x
    x = 275,477,268,971.52/484,300.80
  6. Step 6: Final answer
    x = 568,814.40

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