Home / 579,975.21-800,344.89-321,863.46

Finding the Fourth Proportional to 579,975.21, 800,344.89 and 321,863.46

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Solution

The fourth proportional to 579,975.21, 800,344.89 and 321,863.46 is: 444,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,975.21 : 800,344.89 = 321,863.46 : x
  2. Step 2: Convert to fraction form
    579,975.21/800,344.89 = 321,863.46/x
  3. Step 3: Cross multiply
    579,975.21x = 800,344.89 × 321,863.46
  4. Step 4: Simplify right side
    579,975.21x = 257,601,775,488.72
  5. Step 5: Solve for x
    x = 257,601,775,488.72/579,975.21
  6. Step 6: Final answer
    x = 444,159.98

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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.