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Finding the Fourth Proportional to 338,401.80, 508,185.90 and 327,904.20

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Solution

The fourth proportional to 338,401.80, 508,185.90 and 327,904.20 is: 492,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,401.80 : 508,185.90 = 327,904.20 : x
  2. Step 2: Convert to fraction form
    338,401.80/508,185.90 = 327,904.20/x
  3. Step 3: Cross multiply
    338,401.80x = 508,185.90 × 327,904.20
  4. Step 4: Simplify right side
    338,401.80x = 166,636,290,990.78
  5. Step 5: Solve for x
    x = 166,636,290,990.78/338,401.80
  6. Step 6: Final answer
    x = 492,421.41

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