Home / 789,213.03-1,183,830.48-256,736.85

Finding the Fourth Proportional to 789,213.03, 1,183,830.48 and 256,736.85

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Solution

The fourth proportional to 789,213.03, 1,183,830.48 and 256,736.85 is: 385,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,213.03 : 1,183,830.48 = 256,736.85 : x
  2. Step 2: Convert to fraction form
    789,213.03/1,183,830.48 = 256,736.85/x
  3. Step 3: Cross multiply
    789,213.03x = 1,183,830.48 × 256,736.85
  4. Step 4: Simplify right side
    789,213.03x = 303,932,908,369.19
  5. Step 5: Solve for x
    x = 303,932,908,369.19/789,213.03
  6. Step 6: Final answer
    x = 385,108.83

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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.