Home / 693,453.60-1,040,091.12-220,144.32

Finding the Fourth Proportional to 693,453.60, 1,040,091.12 and 220,144.32

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Solution

The fourth proportional to 693,453.60, 1,040,091.12 and 220,144.32 is: 330,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,453.60 : 1,040,091.12 = 220,144.32 : x
  2. Step 2: Convert to fraction form
    693,453.60/1,040,091.12 = 220,144.32/x
  3. Step 3: Cross multiply
    693,453.60x = 1,040,091.12 × 220,144.32
  4. Step 4: Simplify right side
    693,453.60x = 228,970,152,350.44
  5. Step 5: Solve for x
    x = 228,970,152,350.44/693,453.60
  6. Step 6: Final answer
    x = 330,188.14

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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.