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Finding the Fourth Proportional to 449,703.36, 620,629.92 and 248,538.24

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Solution

The fourth proportional to 449,703.36, 620,629.92 and 248,538.24 is: 343,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,703.36 : 620,629.92 = 248,538.24 : x
  2. Step 2: Convert to fraction form
    449,703.36/620,629.92 = 248,538.24/x
  3. Step 3: Cross multiply
    449,703.36x = 620,629.92 × 248,538.24
  4. Step 4: Simplify right side
    449,703.36x = 154,250,268,008.14
  5. Step 5: Solve for x
    x = 154,250,268,008.14/449,703.36
  6. Step 6: Final answer
    x = 343,004.48

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