Home / 510,942.73-705,107.82-284,588.23

Finding the Fourth Proportional to 510,942.73, 705,107.82 and 284,588.23

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Solution

The fourth proportional to 510,942.73, 705,107.82 and 284,588.23 is: 392,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,942.73 : 705,107.82 = 284,588.23 : x
  2. Step 2: Convert to fraction form
    510,942.73/705,107.82 = 284,588.23/x
  3. Step 3: Cross multiply
    510,942.73x = 705,107.82 × 284,588.23
  4. Step 4: Simplify right side
    510,942.73x = 200,665,386,452.96
  5. Step 5: Solve for x
    x = 200,665,386,452.96/510,942.73
  6. Step 6: Final answer
    x = 392,735.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.