Home / 579,956.25-800,337.99-321,872.16

Finding the Fourth Proportional to 579,956.25, 800,337.99 and 321,872.16

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Solution

The fourth proportional to 579,956.25, 800,337.99 and 321,872.16 is: 444,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,956.25 : 800,337.99 = 321,872.16 : x
  2. Step 2: Convert to fraction form
    579,956.25/800,337.99 = 321,872.16/x
  3. Step 3: Cross multiply
    579,956.25x = 800,337.99 × 321,872.16
  4. Step 4: Simplify right side
    579,956.25x = 257,606,517,571.36
  5. Step 5: Solve for x
    x = 257,606,517,571.36/579,956.25
  6. Step 6: Final answer
    x = 444,182.67

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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.