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Finding the Fourth Proportional to 435,632.80, 653,449.20 and 423,968.80

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Solution

The fourth proportional to 435,632.80, 653,449.20 and 423,968.80 is: 635,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,632.80 : 653,449.20 = 423,968.80 : x
  2. Step 2: Convert to fraction form
    435,632.80/653,449.20 = 423,968.80/x
  3. Step 3: Cross multiply
    435,632.80x = 653,449.20 × 423,968.80
  4. Step 4: Simplify right side
    435,632.80x = 277,042,073,184.96
  5. Step 5: Solve for x
    x = 277,042,073,184.96/435,632.80
  6. Step 6: Final answer
    x = 635,953.20

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