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Finding the Fourth Proportional to 484,228.80, 726,343.20 and 188,740.80

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Solution

The fourth proportional to 484,228.80, 726,343.20 and 188,740.80 is: 283,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,228.80 : 726,343.20 = 188,740.80 : x
  2. Step 2: Convert to fraction form
    484,228.80/726,343.20 = 188,740.80/x
  3. Step 3: Cross multiply
    484,228.80x = 726,343.20 × 188,740.80
  4. Step 4: Simplify right side
    484,228.80x = 137,090,596,642.56
  5. Step 5: Solve for x
    x = 137,090,596,642.56/484,228.80
  6. Step 6: Final answer
    x = 283,111.20

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