Home / 482,621.22-665,950.41-321,580.26

Finding the Fourth Proportional to 482,621.22, 665,950.41 and 321,580.26

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Solution

The fourth proportional to 482,621.22, 665,950.41 and 321,580.26 is: 443,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,621.22 : 665,950.41 = 321,580.26 : x
  2. Step 2: Convert to fraction form
    482,621.22/665,950.41 = 321,580.26/x
  3. Step 3: Cross multiply
    482,621.22x = 665,950.41 × 321,580.26
  4. Step 4: Simplify right side
    482,621.22x = 214,156,505,994.91
  5. Step 5: Solve for x
    x = 214,156,505,994.91/482,621.22
  6. Step 6: Final answer
    x = 443,736.20

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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.