Home / 705,578.56-1,058,208.37-326,291.60

Finding the Fourth Proportional to 705,578.56, 1,058,208.37 and 326,291.60

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Solution

The fourth proportional to 705,578.56, 1,058,208.37 and 326,291.60 is: 489,363.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,578.56 : 1,058,208.37 = 326,291.60 : x
  2. Step 2: Convert to fraction form
    705,578.56/1,058,208.37 = 326,291.60/x
  3. Step 3: Cross multiply
    705,578.56x = 1,058,208.37 × 326,291.60
  4. Step 4: Simplify right side
    705,578.56x = 345,284,504,010.48
  5. Step 5: Solve for x
    x = 345,284,504,010.48/705,578.56
  6. Step 6: Final answer
    x = 489,363.66

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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.