Home / 789,207.03-1,183,821.48-256,730.85

Finding the Fourth Proportional to 789,207.03, 1,183,821.48 and 256,730.85

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Solution

The fourth proportional to 789,207.03, 1,183,821.48 and 256,730.85 is: 385,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,207.03 : 1,183,821.48 = 256,730.85 : x
  2. Step 2: Convert to fraction form
    789,207.03/1,183,821.48 = 256,730.85/x
  3. Step 3: Cross multiply
    789,207.03x = 1,183,821.48 × 256,730.85
  4. Step 4: Simplify right side
    789,207.03x = 303,923,494,808.66
  5. Step 5: Solve for x
    x = 303,923,494,808.66/789,207.03
  6. Step 6: Final answer
    x = 385,099.83

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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.