Home / 886,489.56-1,329,734.28-221,641.56

Finding the Fourth Proportional to 886,489.56, 1,329,734.28 and 221,641.56

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Solution

The fourth proportional to 886,489.56, 1,329,734.28 and 221,641.56 is: 332,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,489.56 : 1,329,734.28 = 221,641.56 : x
  2. Step 2: Convert to fraction form
    886,489.56/1,329,734.28 = 221,641.56/x
  3. Step 3: Cross multiply
    886,489.56x = 1,329,734.28 × 221,641.56
  4. Step 4: Simplify right side
    886,489.56x = 294,724,380,204.68
  5. Step 5: Solve for x
    x = 294,724,380,204.68/886,489.56
  6. Step 6: Final answer
    x = 332,462.32

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Double scale
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Similar ratio
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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.