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Finding the Fourth Proportional to 820,778.22, 1,132,731 and 458,273.34

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Solution

The fourth proportional to 820,778.22, 1,132,731 and 458,273.34 is: 632,449.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,778.22 : 1,132,731 = 458,273.34 : x
  2. Step 2: Convert to fraction form
    820,778.22/1,132,731 = 458,273.34/x
  3. Step 3: Cross multiply
    820,778.22x = 1,132,731 × 458,273.34
  4. Step 4: Simplify right side
    820,778.22x = 519,100,418,691.54
  5. Step 5: Solve for x
    x = 519,100,418,691.54/820,778.22
  6. Step 6: Final answer
    x = 632,449.07

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