Home / 526,213.62-789,309.42-210,585.78

Finding the Fourth Proportional to 526,213.62, 789,309.42 and 210,585.78

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Solution

The fourth proportional to 526,213.62, 789,309.42 and 210,585.78 is: 315,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,213.62 : 789,309.42 = 210,585.78 : x
  2. Step 2: Convert to fraction form
    526,213.62/789,309.42 = 210,585.78/x
  3. Step 3: Cross multiply
    526,213.62x = 789,309.42 × 210,585.78
  4. Step 4: Simplify right side
    526,213.62x = 166,217,339,872.05
  5. Step 5: Solve for x
    x = 166,217,339,872.05/526,213.62
  6. Step 6: Final answer
    x = 315,874.26

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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.