Home / 789,211.03-1,183,827.48-256,734.85

Finding the Fourth Proportional to 789,211.03, 1,183,827.48 and 256,734.85

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Solution

The fourth proportional to 789,211.03, 1,183,827.48 and 256,734.85 is: 385,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,211.03 : 1,183,827.48 = 256,734.85 : x
  2. Step 2: Convert to fraction form
    789,211.03/1,183,827.48 = 256,734.85/x
  3. Step 3: Cross multiply
    789,211.03x = 1,183,827.48 × 256,734.85
  4. Step 4: Simplify right side
    789,211.03x = 303,929,770,503.68
  5. Step 5: Solve for x
    x = 303,929,770,503.68/789,211.03
  6. Step 6: Final answer
    x = 385,105.83

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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.