Home / 510,634.89-704,677.19-284,288.49

Finding the Fourth Proportional to 510,634.89, 704,677.19 and 284,288.49

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Solution

The fourth proportional to 510,634.89, 704,677.19 and 284,288.49 is: 392,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,634.89 : 704,677.19 = 284,288.49 : x
  2. Step 2: Convert to fraction form
    510,634.89/704,677.19 = 284,288.49/x
  3. Step 3: Cross multiply
    510,634.89x = 704,677.19 × 284,288.49
  4. Step 4: Simplify right side
    510,634.89x = 200,331,612,861.10
  5. Step 5: Solve for x
    x = 200,331,612,861.10/510,634.89
  6. Step 6: Final answer
    x = 392,318.69

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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.