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Finding the Fourth Proportional to 484,103.80, 726,155.70 and 372,129.40

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Solution

The fourth proportional to 484,103.80, 726,155.70 and 372,129.40 is: 558,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,103.80 : 726,155.70 = 372,129.40 : x
  2. Step 2: Convert to fraction form
    484,103.80/726,155.70 = 372,129.40/x
  3. Step 3: Cross multiply
    484,103.80x = 726,155.70 × 372,129.40
  4. Step 4: Simplify right side
    484,103.80x = 270,223,884,947.58
  5. Step 5: Solve for x
    x = 270,223,884,947.58/484,103.80
  6. Step 6: Final answer
    x = 558,194.10

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