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Finding the Fourth Proportional to 454,954.60, 682,431.90 and 366,381.10

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Solution

The fourth proportional to 454,954.60, 682,431.90 and 366,381.10 is: 549,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,954.60 : 682,431.90 = 366,381.10 : x
  2. Step 2: Convert to fraction form
    454,954.60/682,431.90 = 366,381.10/x
  3. Step 3: Cross multiply
    454,954.60x = 682,431.90 × 366,381.10
  4. Step 4: Simplify right side
    454,954.60x = 250,030,150,197.09
  5. Step 5: Solve for x
    x = 250,030,150,197.09/454,954.60
  6. Step 6: Final answer
    x = 549,571.65

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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.