Home / 705,866.42-1,058,997.26-285,437.54

Finding the Fourth Proportional to 705,866.42, 1,058,997.26 and 285,437.54

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Solution

The fourth proportional to 705,866.42, 1,058,997.26 and 285,437.54 is: 428,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,866.42 : 1,058,997.26 = 285,437.54 : x
  2. Step 2: Convert to fraction form
    705,866.42/1,058,997.26 = 285,437.54/x
  3. Step 3: Cross multiply
    705,866.42x = 1,058,997.26 × 285,437.54
  4. Step 4: Simplify right side
    705,866.42x = 302,277,568,179.75
  5. Step 5: Solve for x
    x = 302,277,568,179.75/705,866.42
  6. Step 6: Final answer
    x = 428,236.22

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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.