Home / 705,779.80-1,058,074.56-306,119.57

Finding the Fourth Proportional to 705,779.80, 1,058,074.56 and 306,119.57

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Solution

The fourth proportional to 705,779.80, 1,058,074.56 and 306,119.57 is: 458,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,779.80 : 1,058,074.56 = 306,119.57 : x
  2. Step 2: Convert to fraction form
    705,779.80/1,058,074.56 = 306,119.57/x
  3. Step 3: Cross multiply
    705,779.80x = 1,058,074.56 × 306,119.57
  4. Step 4: Simplify right side
    705,779.80x = 323,897,324,044.77
  5. Step 5: Solve for x
    x = 323,897,324,044.77/705,779.80
  6. Step 6: Final answer
    x = 458,921.22

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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.