Home / 928,969.10-1,393,119.20-321,592.22

Finding the Fourth Proportional to 928,969.10, 1,393,119.20 and 321,592.22

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Solution

The fourth proportional to 928,969.10, 1,393,119.20 and 321,592.22 is: 482,272.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,969.10 : 1,393,119.20 = 321,592.22 : x
  2. Step 2: Convert to fraction form
    928,969.10/1,393,119.20 = 321,592.22/x
  3. Step 3: Cross multiply
    928,969.10x = 1,393,119.20 × 321,592.22
  4. Step 4: Simplify right side
    928,969.10x = 448,016,296,252.62
  5. Step 5: Solve for x
    x = 448,016,296,252.62/928,969.10
  6. Step 6: Final answer
    x = 482,272.55

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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.