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Finding the Fourth Proportional to 282,460.06, 423,690.09 and 82,780.48

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Solution

The fourth proportional to 282,460.06, 423,690.09 and 82,780.48 is: 124,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,460.06 : 423,690.09 = 82,780.48 : x
  2. Step 2: Convert to fraction form
    282,460.06/423,690.09 = 82,780.48/x
  3. Step 3: Cross multiply
    282,460.06x = 423,690.09 × 82,780.48
  4. Step 4: Simplify right side
    282,460.06x = 35,073,266,489.09
  5. Step 5: Solve for x
    x = 35,073,266,489.09/282,460.06
  6. Step 6: Final answer
    x = 124,170.71

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