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Finding the Fourth Proportional to 719,464.19, 992,868.63 and 397,174.46

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Solution

The fourth proportional to 719,464.19, 992,868.63 and 397,174.46 is: 548,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,464.19 : 992,868.63 = 397,174.46 : x
  2. Step 2: Convert to fraction form
    719,464.19/992,868.63 = 397,174.46/x
  3. Step 3: Cross multiply
    719,464.19x = 992,868.63 × 397,174.46
  4. Step 4: Simplify right side
    719,464.19x = 394,342,061,971.19
  5. Step 5: Solve for x
    x = 394,342,061,971.19/719,464.19
  6. Step 6: Final answer
    x = 548,105.20

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