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Finding the Fourth Proportional to 330,904.98, 492,615.18 and 328,936.68

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Solution

The fourth proportional to 330,904.98, 492,615.18 and 328,936.68 is: 489,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,904.98 : 492,615.18 = 328,936.68 : x
  2. Step 2: Convert to fraction form
    330,904.98/492,615.18 = 328,936.68/x
  3. Step 3: Cross multiply
    330,904.98x = 492,615.18 × 328,936.68
  4. Step 4: Simplify right side
    330,904.98x = 162,039,201,826.80
  5. Step 5: Solve for x
    x = 162,039,201,826.80/330,904.98
  6. Step 6: Final answer
    x = 489,684.99

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