Home / 579,910.56-800,282.88-321,792

Finding the Fourth Proportional to 579,910.56, 800,282.88 and 321,792

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Solution

The fourth proportional to 579,910.56, 800,282.88 and 321,792 is: 444,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,910.56 : 800,282.88 = 321,792 : x
  2. Step 2: Convert to fraction form
    579,910.56/800,282.88 = 321,792/x
  3. Step 3: Cross multiply
    579,910.56x = 800,282.88 × 321,792
  4. Step 4: Simplify right side
    579,910.56x = 257,524,628,520.96
  5. Step 5: Solve for x
    x = 257,524,628,520.96/579,910.56
  6. Step 6: Final answer
    x = 444,076.46

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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.