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Finding the Fourth Proportional to 639,847.48, 960,361.62 and 324,525.82

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Solution

The fourth proportional to 639,847.48, 960,361.62 and 324,525.82 is: 487,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,847.48 : 960,361.62 = 324,525.82 : x
  2. Step 2: Convert to fraction form
    639,847.48/960,361.62 = 324,525.82/x
  3. Step 3: Cross multiply
    639,847.48x = 960,361.62 × 324,525.82
  4. Step 4: Simplify right side
    639,847.48x = 311,662,142,227.03
  5. Step 5: Solve for x
    x = 311,662,142,227.03/639,847.48
  6. Step 6: Final answer
    x = 487,088.18

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