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Finding the Fourth Proportional to 626,375.66, 939,565.31 and 266,453.78

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Solution

The fourth proportional to 626,375.66, 939,565.31 and 266,453.78 is: 399,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,375.66 : 939,565.31 = 266,453.78 : x
  2. Step 2: Convert to fraction form
    626,375.66/939,565.31 = 266,453.78/x
  3. Step 3: Cross multiply
    626,375.66x = 939,565.31 × 266,453.78
  4. Step 4: Simplify right side
    626,375.66x = 250,350,722,376.28
  5. Step 5: Solve for x
    x = 250,350,722,376.28/626,375.66
  6. Step 6: Final answer
    x = 399,681.44

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