Home / 705,387.51-1,058,066.69-172,911.33

Finding the Fourth Proportional to 705,387.51, 1,058,066.69 and 172,911.33

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Solution

The fourth proportional to 705,387.51, 1,058,066.69 and 172,911.33 is: 259,363.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,387.51 : 1,058,066.69 = 172,911.33 : x
  2. Step 2: Convert to fraction form
    705,387.51/1,058,066.69 = 172,911.33/x
  3. Step 3: Cross multiply
    705,387.51x = 1,058,066.69 × 172,911.33
  4. Step 4: Simplify right side
    705,387.51x = 182,951,717,732.04
  5. Step 5: Solve for x
    x = 182,951,717,732.04/705,387.51
  6. Step 6: Final answer
    x = 259,363.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.