Home / 805,255.67-1,206,997.76-331,682.69

Finding the Fourth Proportional to 805,255.67, 1,206,997.76 and 331,682.69

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Solution

The fourth proportional to 805,255.67, 1,206,997.76 and 331,682.69 is: 497,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,255.67 : 1,206,997.76 = 331,682.69 : x
  2. Step 2: Convert to fraction form
    805,255.67/1,206,997.76 = 331,682.69/x
  3. Step 3: Cross multiply
    805,255.67x = 1,206,997.76 × 331,682.69
  4. Step 4: Simplify right side
    805,255.67x = 400,340,256,167.37
  5. Step 5: Solve for x
    x = 400,340,256,167.37/805,255.67
  6. Step 6: Final answer
    x = 497,159.19

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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.