Home / 981,182.44-1,470,542.46-419,556.52

Finding the Fourth Proportional to 981,182.44, 1,470,542.46 and 419,556.52

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Solution

The fourth proportional to 981,182.44, 1,470,542.46 and 419,556.52 is: 628,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,182.44 : 1,470,542.46 = 419,556.52 : x
  2. Step 2: Convert to fraction form
    981,182.44/1,470,542.46 = 419,556.52/x
  3. Step 3: Cross multiply
    981,182.44x = 1,470,542.46 × 419,556.52
  4. Step 4: Simplify right side
    981,182.44x = 616,975,677,029.84
  5. Step 5: Solve for x
    x = 616,975,677,029.84/981,182.44
  6. Step 6: Final answer
    x = 628,808.32

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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.