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Finding the Fourth Proportional to 368,889.40, 553,334.10 and 329,231.80

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Solution

The fourth proportional to 368,889.40, 553,334.10 and 329,231.80 is: 493,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,889.40 : 553,334.10 = 329,231.80 : x
  2. Step 2: Convert to fraction form
    368,889.40/553,334.10 = 329,231.80/x
  3. Step 3: Cross multiply
    368,889.40x = 553,334.10 × 329,231.80
  4. Step 4: Simplify right side
    368,889.40x = 182,175,181,744.38
  5. Step 5: Solve for x
    x = 182,175,181,744.38/368,889.40
  6. Step 6: Final answer
    x = 493,847.70

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