Home / 579,771.84-800,126.16-321,731.44

Finding the Fourth Proportional to 579,771.84, 800,126.16 and 321,731.44

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Solution

The fourth proportional to 579,771.84, 800,126.16 and 321,731.44 is: 444,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,771.84 : 800,126.16 = 321,731.44 : x
  2. Step 2: Convert to fraction form
    579,771.84/800,126.16 = 321,731.44/x
  3. Step 3: Cross multiply
    579,771.84x = 800,126.16 × 321,731.44
  4. Step 4: Simplify right side
    579,771.84x = 257,425,741,638.47
  5. Step 5: Solve for x
    x = 257,425,741,638.47/579,771.84
  6. Step 6: Final answer
    x = 444,012.15

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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.