Home / 886,492.40-1,329,738.56-221,644.40

Finding the Fourth Proportional to 886,492.40, 1,329,738.56 and 221,644.40

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Solution

The fourth proportional to 886,492.40, 1,329,738.56 and 221,644.40 is: 332,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,492.40 : 1,329,738.56 = 221,644.40 : x
  2. Step 2: Convert to fraction form
    886,492.40/1,329,738.56 = 221,644.40/x
  3. Step 3: Cross multiply
    886,492.40x = 1,329,738.56 × 221,644.40
  4. Step 4: Simplify right side
    886,492.40x = 294,729,105,288.06
  5. Step 5: Solve for x
    x = 294,729,105,288.06/886,492.40
  6. Step 6: Final answer
    x = 332,466.59

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Half scale
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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.