Home / 579,322.33-799,464.68-321,198.46

Finding the Fourth Proportional to 579,322.33, 799,464.68 and 321,198.46

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Solution

The fourth proportional to 579,322.33, 799,464.68 and 321,198.46 is: 443,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,322.33 : 799,464.68 = 321,198.46 : x
  2. Step 2: Convert to fraction form
    579,322.33/799,464.68 = 321,198.46/x
  3. Step 3: Cross multiply
    579,322.33x = 799,464.68 × 321,198.46
  4. Step 4: Simplify right side
    579,322.33x = 256,786,827,943.96
  5. Step 5: Solve for x
    x = 256,786,827,943.96/579,322.33
  6. Step 6: Final answer
    x = 443,253.81

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1.5x scale

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.