Home / 981,222.06-1,354,198.62-545,682.78

Finding the Fourth Proportional to 981,222.06, 1,354,198.62 and 545,682.78

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Solution

The fourth proportional to 981,222.06, 1,354,198.62 and 545,682.78 is: 753,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,222.06 : 1,354,198.62 = 545,682.78 : x
  2. Step 2: Convert to fraction form
    981,222.06/1,354,198.62 = 545,682.78/x
  3. Step 3: Cross multiply
    981,222.06x = 1,354,198.62 × 545,682.78
  4. Step 4: Simplify right side
    981,222.06x = 738,962,867,633.76
  5. Step 5: Solve for x
    x = 738,962,867,633.76/981,222.06
  6. Step 6: Final answer
    x = 753,104.62

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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.