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Finding the Fourth Proportional to 403,783.23, 557,245.32 and 222,494.90

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Solution

The fourth proportional to 403,783.23, 557,245.32 and 222,494.90 is: 307,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,783.23 : 557,245.32 = 222,494.90 : x
  2. Step 2: Convert to fraction form
    403,783.23/557,245.32 = 222,494.90/x
  3. Step 3: Cross multiply
    403,783.23x = 557,245.32 × 222,494.90
  4. Step 4: Simplify right side
    403,783.23x = 123,984,242,514.32
  5. Step 5: Solve for x
    x = 123,984,242,514.32/403,783.23
  6. Step 6: Final answer
    x = 307,056.44

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