Home / 928,924.93-1,393,052.97-321,548.22

Finding the Fourth Proportional to 928,924.93, 1,393,052.97 and 321,548.22

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Solution

The fourth proportional to 928,924.93, 1,393,052.97 and 321,548.22 is: 482,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,924.93 : 1,393,052.97 = 321,548.22 : x
  2. Step 2: Convert to fraction form
    928,924.93/1,393,052.97 = 321,548.22/x
  3. Step 3: Cross multiply
    928,924.93x = 1,393,052.97 × 321,548.22
  4. Step 4: Simplify right side
    928,924.93x = 447,933,702,869.21
  5. Step 5: Solve for x
    x = 447,933,702,869.21/928,924.93
  6. Step 6: Final answer
    x = 482,206.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.