Home / 885,394.92-1,221,721.74-503,379.48

Finding the Fourth Proportional to 885,394.92, 1,221,721.74 and 503,379.48

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Solution

The fourth proportional to 885,394.92, 1,221,721.74 and 503,379.48 is: 694,593.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,394.92 : 1,221,721.74 = 503,379.48 : x
  2. Step 2: Convert to fraction form
    885,394.92/1,221,721.74 = 503,379.48/x
  3. Step 3: Cross multiply
    885,394.92x = 1,221,721.74 × 503,379.48
  4. Step 4: Simplify right side
    885,394.92x = 614,989,654,185.90
  5. Step 5: Solve for x
    x = 614,989,654,185.90/885,394.92
  6. Step 6: Final answer
    x = 694,593.61

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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.