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Finding the Fourth Proportional to 418,821.60, 627,195.60 and 335,877.60

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Solution

The fourth proportional to 418,821.60, 627,195.60 and 335,877.60 is: 502,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,821.60 : 627,195.60 = 335,877.60 : x
  2. Step 2: Convert to fraction form
    418,821.60/627,195.60 = 335,877.60/x
  3. Step 3: Cross multiply
    418,821.60x = 627,195.60 × 335,877.60
  4. Step 4: Simplify right side
    418,821.60x = 210,660,952,858.56
  5. Step 5: Solve for x
    x = 210,660,952,858.56/418,821.60
  6. Step 6: Final answer
    x = 502,984.93

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