Home / 669,818.82-1,004,761.07-270,409.78

Finding the Fourth Proportional to 669,818.82, 1,004,761.07 and 270,409.78

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Solution

The fourth proportional to 669,818.82, 1,004,761.07 and 270,409.78 is: 405,627.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,818.82 : 1,004,761.07 = 270,409.78 : x
  2. Step 2: Convert to fraction form
    669,818.82/1,004,761.07 = 270,409.78/x
  3. Step 3: Cross multiply
    669,818.82x = 1,004,761.07 × 270,409.78
  4. Step 4: Simplify right side
    669,818.82x = 271,697,219,891.27
  5. Step 5: Solve for x
    x = 271,697,219,891.27/669,818.82
  6. Step 6: Final answer
    x = 405,627.93

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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.