Home / 886,986.28-1,331,004.30-326,414.44

Finding the Fourth Proportional to 886,986.28, 1,331,004.30 and 326,414.44

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Solution

The fourth proportional to 886,986.28, 1,331,004.30 and 326,414.44 is: 489,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,986.28 : 1,331,004.30 = 326,414.44 : x
  2. Step 2: Convert to fraction form
    886,986.28/1,331,004.30 = 326,414.44/x
  3. Step 3: Cross multiply
    886,986.28x = 1,331,004.30 × 326,414.44
  4. Step 4: Simplify right side
    886,986.28x = 434,459,023,222.09
  5. Step 5: Solve for x
    x = 434,459,023,222.09/886,986.28
  6. Step 6: Final answer
    x = 489,814.82

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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.