Home / 928,906.35-1,393,025.23-321,529.63

Finding the Fourth Proportional to 928,906.35, 1,393,025.23 and 321,529.63

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Solution

The fourth proportional to 928,906.35, 1,393,025.23 and 321,529.63 is: 482,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,906.35 : 1,393,025.23 = 321,529.63 : x
  2. Step 2: Convert to fraction form
    928,906.35/1,393,025.23 = 321,529.63/x
  3. Step 3: Cross multiply
    928,906.35x = 1,393,025.23 × 321,529.63
  4. Step 4: Simplify right side
    928,906.35x = 447,898,886,782.57
  5. Step 5: Solve for x
    x = 447,898,886,782.57/928,906.35
  6. Step 6: Final answer
    x = 482,178.73

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Double scale
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1.5x scale

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.