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Finding the Fourth Proportional to 354,855.80, 532,283.70 and 319,863.80

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Solution

The fourth proportional to 354,855.80, 532,283.70 and 319,863.80 is: 479,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,855.80 : 532,283.70 = 319,863.80 : x
  2. Step 2: Convert to fraction form
    354,855.80/532,283.70 = 319,863.80/x
  3. Step 3: Cross multiply
    354,855.80x = 532,283.70 × 319,863.80
  4. Step 4: Simplify right side
    354,855.80x = 170,258,286,960.06
  5. Step 5: Solve for x
    x = 170,258,286,960.06/354,855.80
  6. Step 6: Final answer
    x = 479,795.70

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