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Finding the Fourth Proportional to 503,249.58, 694,524.44 and 288,409.64

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Solution

The fourth proportional to 503,249.58, 694,524.44 and 288,409.64 is: 398,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,249.58 : 694,524.44 = 288,409.64 : x
  2. Step 2: Convert to fraction form
    503,249.58/694,524.44 = 288,409.64/x
  3. Step 3: Cross multiply
    503,249.58x = 694,524.44 × 288,409.64
  4. Step 4: Simplify right side
    503,249.58x = 200,307,540,960.00
  5. Step 5: Solve for x
    x = 200,307,540,960.00/503,249.58
  6. Step 6: Final answer
    x = 398,028.23

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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.