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Finding the Fourth Proportional to 639,253.80, 958,535.10 and 265,314.60

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Solution

The fourth proportional to 639,253.80, 958,535.10 and 265,314.60 is: 397,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,253.80 : 958,535.10 = 265,314.60 : x
  2. Step 2: Convert to fraction form
    639,253.80/958,535.10 = 265,314.60/x
  3. Step 3: Cross multiply
    639,253.80x = 958,535.10 × 265,314.60
  4. Step 4: Simplify right side
    639,253.80x = 254,313,356,642.46
  5. Step 5: Solve for x
    x = 254,313,356,642.46/639,253.80
  6. Step 6: Final answer
    x = 397,828.46

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