Home / 682,834.45-942,311.64-376,910.97

Finding the Fourth Proportional to 682,834.45, 942,311.64 and 376,910.97

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Solution

The fourth proportional to 682,834.45, 942,311.64 and 376,910.97 is: 520,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,834.45 : 942,311.64 = 376,910.97 : x
  2. Step 2: Convert to fraction form
    682,834.45/942,311.64 = 376,910.97/x
  3. Step 3: Cross multiply
    682,834.45x = 942,311.64 × 376,910.97
  4. Step 4: Simplify right side
    682,834.45x = 355,167,587,678.58
  5. Step 5: Solve for x
    x = 355,167,587,678.58/682,834.45
  6. Step 6: Final answer
    x = 520,137.18

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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.