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Finding the Fourth Proportional to 719,434.70, 992,820.06 and 397,145.02

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Solution

The fourth proportional to 719,434.70, 992,820.06 and 397,145.02 is: 548,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,434.70 : 992,820.06 = 397,145.02 : x
  2. Step 2: Convert to fraction form
    719,434.70/992,820.06 = 397,145.02/x
  3. Step 3: Cross multiply
    719,434.70x = 992,820.06 × 397,145.02
  4. Step 4: Simplify right side
    719,434.70x = 394,293,540,103.05
  5. Step 5: Solve for x
    x = 394,293,540,103.05/719,434.70
  6. Step 6: Final answer
    x = 548,060.22

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