Home / 789,481.22-1,184,296.88-220,862.30

Finding the Fourth Proportional to 789,481.22, 1,184,296.88 and 220,862.30

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Solution

The fourth proportional to 789,481.22, 1,184,296.88 and 220,862.30 is: 331,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,481.22 : 1,184,296.88 = 220,862.30 : x
  2. Step 2: Convert to fraction form
    789,481.22/1,184,296.88 = 220,862.30/x
  3. Step 3: Cross multiply
    789,481.22x = 1,184,296.88 × 220,862.30
  4. Step 4: Simplify right side
    789,481.22x = 261,566,527,430.30
  5. Step 5: Solve for x
    x = 261,566,527,430.30/789,481.22
  6. Step 6: Final answer
    x = 331,314.44

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Double scale
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Similar ratio
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1.5x scale

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.