Home / 886,490.25-1,329,735.38-221,642.25

Finding the Fourth Proportional to 886,490.25, 1,329,735.38 and 221,642.25

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Solution

The fourth proportional to 886,490.25, 1,329,735.38 and 221,642.25 is: 332,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,490.25 : 1,329,735.38 = 221,642.25 : x
  2. Step 2: Convert to fraction form
    886,490.25/1,329,735.38 = 221,642.25/x
  3. Step 3: Cross multiply
    886,490.25x = 1,329,735.38 × 221,642.25
  4. Step 4: Simplify right side
    886,490.25x = 294,725,540,419.59
  5. Step 5: Solve for x
    x = 294,725,540,419.59/886,490.25
  6. Step 6: Final answer
    x = 332,463.38

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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.