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Finding the Fourth Proportional to 414,516.40, 622,696.20 and 403,457.20

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Solution

The fourth proportional to 414,516.40, 622,696.20 and 403,457.20 is: 606,082.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,516.40 : 622,696.20 = 403,457.20 : x
  2. Step 2: Convert to fraction form
    414,516.40/622,696.20 = 403,457.20/x
  3. Step 3: Cross multiply
    414,516.40x = 622,696.20 × 403,457.20
  4. Step 4: Simplify right side
    414,516.40x = 251,231,265,302.64
  5. Step 5: Solve for x
    x = 251,231,265,302.64/414,516.40
  6. Step 6: Final answer
    x = 606,082.81

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