Home / 579,953.50-800,334.18-321,869.44

Finding the Fourth Proportional to 579,953.50, 800,334.18 and 321,869.44

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Solution

The fourth proportional to 579,953.50, 800,334.18 and 321,869.44 is: 444,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,953.50 : 800,334.18 = 321,869.44 : x
  2. Step 2: Convert to fraction form
    579,953.50/800,334.18 = 321,869.44/x
  3. Step 3: Cross multiply
    579,953.50x = 800,334.18 × 321,869.44
  4. Step 4: Simplify right side
    579,953.50x = 257,603,114,329.46
  5. Step 5: Solve for x
    x = 257,603,114,329.46/579,953.50
  6. Step 6: Final answer
    x = 444,178.91

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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.