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Finding the Fourth Proportional to 437,523.80, 655,265.96 and 422,370.62

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Solution

The fourth proportional to 437,523.80, 655,265.96 and 422,370.62 is: 632,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,523.80 : 655,265.96 = 422,370.62 : x
  2. Step 2: Convert to fraction form
    437,523.80/655,265.96 = 422,370.62/x
  3. Step 3: Cross multiply
    437,523.80x = 655,265.96 × 422,370.62
  4. Step 4: Simplify right side
    437,523.80x = 276,765,089,790.10
  5. Step 5: Solve for x
    x = 276,765,089,790.10/437,523.80
  6. Step 6: Final answer
    x = 632,571.51

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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.