Home / 485,843.05-670,464.33-270,997.03

Finding the Fourth Proportional to 485,843.05, 670,464.33 and 270,997.03

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Solution

The fourth proportional to 485,843.05, 670,464.33 and 270,997.03 is: 373,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,843.05 : 670,464.33 = 270,997.03 : x
  2. Step 2: Convert to fraction form
    485,843.05/670,464.33 = 270,997.03/x
  3. Step 3: Cross multiply
    485,843.05x = 670,464.33 × 270,997.03
  4. Step 4: Simplify right side
    485,843.05x = 181,693,842,150.94
  5. Step 5: Solve for x
    x = 181,693,842,150.94/485,843.05
  6. Step 6: Final answer
    x = 373,976.42

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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.