Home / 482,536.92-666,246.06-321,771

Finding the Fourth Proportional to 482,536.92, 666,246.06 and 321,771

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Solution

The fourth proportional to 482,536.92, 666,246.06 and 321,771 is: 444,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,536.92 : 666,246.06 = 321,771 : x
  2. Step 2: Convert to fraction form
    482,536.92/666,246.06 = 321,771/x
  3. Step 3: Cross multiply
    482,536.92x = 666,246.06 × 321,771
  4. Step 4: Simplify right side
    482,536.92x = 214,378,660,972.26
  5. Step 5: Solve for x
    x = 214,378,660,972.26/482,536.92
  6. Step 6: Final answer
    x = 444,274.11

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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.