Home / 683,781.82-1,025,685.92-210,466.69

Finding the Fourth Proportional to 683,781.82, 1,025,685.92 and 210,466.69

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Solution

The fourth proportional to 683,781.82, 1,025,685.92 and 210,466.69 is: 315,704.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,781.82 : 1,025,685.92 = 210,466.69 : x
  2. Step 2: Convert to fraction form
    683,781.82/1,025,685.92 = 210,466.69/x
  3. Step 3: Cross multiply
    683,781.82x = 1,025,685.92 × 210,466.69
  4. Step 4: Simplify right side
    683,781.82x = 215,872,718,523.96
  5. Step 5: Solve for x
    x = 215,872,718,523.96/683,781.82
  6. Step 6: Final answer
    x = 315,704.09

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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.