Home / 579,961.50-800,345.24-321,877.41

Finding the Fourth Proportional to 579,961.50, 800,345.24 and 321,877.41

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Solution

The fourth proportional to 579,961.50, 800,345.24 and 321,877.41 is: 444,189.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,961.50 : 800,345.24 = 321,877.41 : x
  2. Step 2: Convert to fraction form
    579,961.50/800,345.24 = 321,877.41/x
  3. Step 3: Cross multiply
    579,961.50x = 800,345.24 × 321,877.41
  4. Step 4: Simplify right side
    579,961.50x = 257,613,051,347.64
  5. Step 5: Solve for x
    x = 257,613,051,347.64/579,961.50
  6. Step 6: Final answer
    x = 444,189.92

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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.