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Finding the Fourth Proportional to 639,100.02, 882,277.63 and 397,460.44

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Solution

The fourth proportional to 639,100.02, 882,277.63 and 397,460.44 is: 548,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,100.02 : 882,277.63 = 397,460.44 : x
  2. Step 2: Convert to fraction form
    639,100.02/882,277.63 = 397,460.44/x
  3. Step 3: Cross multiply
    639,100.02x = 882,277.63 × 397,460.44
  4. Step 4: Simplify right side
    639,100.02x = 350,670,453,034.66
  5. Step 5: Solve for x
    x = 350,670,453,034.66/639,100.02
  6. Step 6: Final answer
    x = 548,694.17

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