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Finding the Fourth Proportional to 394,489.60, 591,559.44 and 244,723.84

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Solution

The fourth proportional to 394,489.60, 591,559.44 and 244,723.84 is: 366,977.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,489.60 : 591,559.44 = 244,723.84 : x
  2. Step 2: Convert to fraction form
    394,489.60/591,559.44 = 244,723.84/x
  3. Step 3: Cross multiply
    394,489.60x = 591,559.44 × 244,723.84
  4. Step 4: Simplify right side
    394,489.60x = 144,768,697,745.05
  5. Step 5: Solve for x
    x = 144,768,697,745.05/394,489.60
  6. Step 6: Final answer
    x = 366,977.22

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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.