Home / 579,618.27-799,833.16-321,470.87

Finding the Fourth Proportional to 579,618.27, 799,833.16 and 321,470.87

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Solution

The fourth proportional to 579,618.27, 799,833.16 and 321,470.87 is: 443,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,618.27 : 799,833.16 = 321,470.87 : x
  2. Step 2: Convert to fraction form
    579,618.27/799,833.16 = 321,470.87/x
  3. Step 3: Cross multiply
    579,618.27x = 799,833.16 × 321,470.87
  4. Step 4: Simplify right side
    579,618.27x = 257,123,061,800.05
  5. Step 5: Solve for x
    x = 257,123,061,800.05/579,618.27
  6. Step 6: Final answer
    x = 443,607.59

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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.