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Finding the Fourth Proportional to 483,514.52, 725,270.94 and 128,528.55

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Solution

The fourth proportional to 483,514.52, 725,270.94 and 128,528.55 is: 192,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,514.52 : 725,270.94 = 128,528.55 : x
  2. Step 2: Convert to fraction form
    483,514.52/725,270.94 = 128,528.55/x
  3. Step 3: Cross multiply
    483,514.52x = 725,270.94 × 128,528.55
  4. Step 4: Simplify right side
    483,514.52x = 93,218,022,275.34
  5. Step 5: Solve for x
    x = 93,218,022,275.34/483,514.52
  6. Step 6: Final answer
    x = 192,792.60

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