Home / 682,057.80-1,021,103.82-396,879.21

Finding the Fourth Proportional to 682,057.80, 1,021,103.82 and 396,879.21

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Solution

The fourth proportional to 682,057.80, 1,021,103.82 and 396,879.21 is: 594,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,057.80 : 1,021,103.82 = 396,879.21 : x
  2. Step 2: Convert to fraction form
    682,057.80/1,021,103.82 = 396,879.21/x
  3. Step 3: Cross multiply
    682,057.80x = 1,021,103.82 × 396,879.21
  4. Step 4: Simplify right side
    682,057.80x = 405,254,877,409.58
  5. Step 5: Solve for x
    x = 405,254,877,409.58/682,057.80
  6. Step 6: Final answer
    x = 594,165.01

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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.