Home / 979,876.29-1,352,183.60-544,321.88

Finding the Fourth Proportional to 979,876.29, 1,352,183.60 and 544,321.88

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Solution

The fourth proportional to 979,876.29, 1,352,183.60 and 544,321.88 is: 751,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,876.29 : 1,352,183.60 = 544,321.88 : x
  2. Step 2: Convert to fraction form
    979,876.29/1,352,183.60 = 544,321.88/x
  3. Step 3: Cross multiply
    979,876.29x = 1,352,183.60 × 544,321.88
  4. Step 4: Simplify right side
    979,876.29x = 736,023,109,774.64
  5. Step 5: Solve for x
    x = 736,023,109,774.64/979,876.29
  6. Step 6: Final answer
    x = 751,138.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.