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Finding the Fourth Proportional to 737,575.53, 1,105,500 and 281,868.36

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Solution

The fourth proportional to 737,575.53, 1,105,500 and 281,868.36 is: 422,472.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,575.53 : 1,105,500 = 281,868.36 : x
  2. Step 2: Convert to fraction form
    737,575.53/1,105,500 = 281,868.36/x
  3. Step 3: Cross multiply
    737,575.53x = 1,105,500 × 281,868.36
  4. Step 4: Simplify right side
    737,575.53x = 311,605,471,980
  5. Step 5: Solve for x
    x = 311,605,471,980/737,575.53
  6. Step 6: Final answer
    x = 422,472.63

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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.