Home / 494,559.70-682,492.76-268,205.20

Finding the Fourth Proportional to 494,559.70, 682,492.76 and 268,205.20

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Solution

The fourth proportional to 494,559.70, 682,492.76 and 268,205.20 is: 370,123.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,559.70 : 682,492.76 = 268,205.20 : x
  2. Step 2: Convert to fraction form
    494,559.70/682,492.76 = 268,205.20/x
  3. Step 3: Cross multiply
    494,559.70x = 682,492.76 × 268,205.20
  4. Step 4: Simplify right side
    494,559.70x = 183,048,107,194.35
  5. Step 5: Solve for x
    x = 183,048,107,194.35/494,559.70
  6. Step 6: Final answer
    x = 370,123.38

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.