Home / 680,475.78-1,020,777.26-200,704.05

Finding the Fourth Proportional to 680,475.78, 1,020,777.26 and 200,704.05

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Solution

The fourth proportional to 680,475.78, 1,020,777.26 and 200,704.05 is: 301,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,475.78 : 1,020,777.26 = 200,704.05 : x
  2. Step 2: Convert to fraction form
    680,475.78/1,020,777.26 = 200,704.05/x
  3. Step 3: Cross multiply
    680,475.78x = 1,020,777.26 × 200,704.05
  4. Step 4: Simplify right side
    680,475.78x = 204,874,129,226.38
  5. Step 5: Solve for x
    x = 204,874,129,226.38/680,475.78
  6. Step 6: Final answer
    x = 301,074.83

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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.