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Finding the Fourth Proportional to 352,018.80, 528,028.20 and 331,282.80

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Solution

The fourth proportional to 352,018.80, 528,028.20 and 331,282.80 is: 496,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,018.80 : 528,028.20 = 331,282.80 : x
  2. Step 2: Convert to fraction form
    352,018.80/528,028.20 = 331,282.80/x
  3. Step 3: Cross multiply
    352,018.80x = 528,028.20 × 331,282.80
  4. Step 4: Simplify right side
    352,018.80x = 174,926,660,574.96
  5. Step 5: Solve for x
    x = 174,926,660,574.96/352,018.80
  6. Step 6: Final answer
    x = 496,924.20

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