Home / 912,102.75-1,368,375.57-281,016.56

Finding the Fourth Proportional to 912,102.75, 1,368,375.57 and 281,016.56

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Solution

The fourth proportional to 912,102.75, 1,368,375.57 and 281,016.56 is: 421,593.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,102.75 : 1,368,375.57 = 281,016.56 : x
  2. Step 2: Convert to fraction form
    912,102.75/1,368,375.57 = 281,016.56/x
  3. Step 3: Cross multiply
    912,102.75x = 1,368,375.57 × 281,016.56
  4. Step 4: Simplify right side
    912,102.75x = 384,536,198,890.38
  5. Step 5: Solve for x
    x = 384,536,198,890.38/912,102.75
  6. Step 6: Final answer
    x = 421,593.07

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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.