Home / 852,740.82-1,278,436.44-320,202.54

Finding the Fourth Proportional to 852,740.82, 1,278,436.44 and 320,202.54

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Solution

The fourth proportional to 852,740.82, 1,278,436.44 and 320,202.54 is: 480,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,740.82 : 1,278,436.44 = 320,202.54 : x
  2. Step 2: Convert to fraction form
    852,740.82/1,278,436.44 = 320,202.54/x
  3. Step 3: Cross multiply
    852,740.82x = 1,278,436.44 × 320,202.54
  4. Step 4: Simplify right side
    852,740.82x = 409,358,595,316.56
  5. Step 5: Solve for x
    x = 409,358,595,316.56/852,740.82
  6. Step 6: Final answer
    x = 480,050.43

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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.