Home / 705,992.72-1,058,561.68-284,776.52

Finding the Fourth Proportional to 705,992.72, 1,058,561.68 and 284,776.52

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Solution

The fourth proportional to 705,992.72, 1,058,561.68 and 284,776.52 is: 426,992.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,992.72 : 1,058,561.68 = 284,776.52 : x
  2. Step 2: Convert to fraction form
    705,992.72/1,058,561.68 = 284,776.52/x
  3. Step 3: Cross multiply
    705,992.72x = 1,058,561.68 × 284,776.52
  4. Step 4: Simplify right side
    705,992.72x = 301,453,511,435.75
  5. Step 5: Solve for x
    x = 301,453,511,435.75/705,992.72
  6. Step 6: Final answer
    x = 426,992.38

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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.