Home / 886,487.25-1,329,730.91-221,639.25

Finding the Fourth Proportional to 886,487.25, 1,329,730.91 and 221,639.25

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Solution

The fourth proportional to 886,487.25, 1,329,730.91 and 221,639.25 is: 332,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,487.25 : 1,329,730.91 = 221,639.25 : x
  2. Step 2: Convert to fraction form
    886,487.25/1,329,730.91 = 221,639.25/x
  3. Step 3: Cross multiply
    886,487.25x = 1,329,730.91 × 221,639.25
  4. Step 4: Simplify right side
    886,487.25x = 294,720,560,486.02
  5. Step 5: Solve for x
    x = 294,720,560,486.02/886,487.25
  6. Step 6: Final answer
    x = 332,458.88

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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.