Home / 800,796.31-1,105,023.67-542,147.11

Finding the Fourth Proportional to 800,796.31, 1,105,023.67 and 542,147.11

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Solution

The fourth proportional to 800,796.31, 1,105,023.67 and 542,147.11 is: 748,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,796.31 : 1,105,023.67 = 542,147.11 : x
  2. Step 2: Convert to fraction form
    800,796.31/1,105,023.67 = 542,147.11/x
  3. Step 3: Cross multiply
    800,796.31x = 1,105,023.67 × 542,147.11
  4. Step 4: Simplify right side
    800,796.31x = 599,085,389,172.09
  5. Step 5: Solve for x
    x = 599,085,389,172.09/800,796.31
  6. Step 6: Final answer
    x = 748,112.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.