Home / 510,862.69-705,012.38-284,508.19

Finding the Fourth Proportional to 510,862.69, 705,012.38 and 284,508.19

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Solution

The fourth proportional to 510,862.69, 705,012.38 and 284,508.19 is: 392,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,862.69 : 705,012.38 = 284,508.19 : x
  2. Step 2: Convert to fraction form
    510,862.69/705,012.38 = 284,508.19/x
  3. Step 3: Cross multiply
    510,862.69x = 705,012.38 × 284,508.19
  4. Step 4: Simplify right side
    510,862.69x = 200,581,796,161.39
  5. Step 5: Solve for x
    x = 200,581,796,161.39/510,862.69
  6. Step 6: Final answer
    x = 392,633.48

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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.