Home / 801,738.10-1,202,663.22-321,965.83

Finding the Fourth Proportional to 801,738.10, 1,202,663.22 and 321,965.83

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Solution

The fourth proportional to 801,738.10, 1,202,663.22 and 321,965.83 is: 482,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,738.10 : 1,202,663.22 = 321,965.83 : x
  2. Step 2: Convert to fraction form
    801,738.10/1,202,663.22 = 321,965.83/x
  3. Step 3: Cross multiply
    801,738.10x = 1,202,663.22 × 321,965.83
  4. Step 4: Simplify right side
    801,738.10x = 387,216,461,837.77
  5. Step 5: Solve for x
    x = 387,216,461,837.77/801,738.10
  6. Step 6: Final answer
    x = 482,971.26

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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.