Home / 682,311.31-1,023,452.99-303,129.25

Finding the Fourth Proportional to 682,311.31, 1,023,452.99 and 303,129.25

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Solution

The fourth proportional to 682,311.31, 1,023,452.99 and 303,129.25 is: 454,687.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,311.31 : 1,023,452.99 = 303,129.25 : x
  2. Step 2: Convert to fraction form
    682,311.31/1,023,452.99 = 303,129.25/x
  3. Step 3: Cross multiply
    682,311.31x = 1,023,452.99 × 303,129.25
  4. Step 4: Simplify right side
    682,311.31x = 310,238,533,194.68
  5. Step 5: Solve for x
    x = 310,238,533,194.68/682,311.31
  6. Step 6: Final answer
    x = 454,687.66

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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.