Home / 886,480.32-1,329,711.84-221,632.32

Finding the Fourth Proportional to 886,480.32, 1,329,711.84 and 221,632.32

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Solution

The fourth proportional to 886,480.32, 1,329,711.84 and 221,632.32 is: 332,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,480.32 : 1,329,711.84 = 221,632.32 : x
  2. Step 2: Convert to fraction form
    886,480.32/1,329,711.84 = 221,632.32/x
  3. Step 3: Cross multiply
    886,480.32x = 1,329,711.84 × 221,632.32
  4. Step 4: Simplify right side
    886,480.32x = 294,707,120,030.67
  5. Step 5: Solve for x
    x = 294,707,120,030.67/886,480.32
  6. Step 6: Final answer
    x = 332,446.32

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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.