Home / 682,910.43-942,468.53-377,045.70

Finding the Fourth Proportional to 682,910.43, 942,468.53 and 377,045.70

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Solution

The fourth proportional to 682,910.43, 942,468.53 and 377,045.70 is: 520,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,910.43 : 942,468.53 = 377,045.70 : x
  2. Step 2: Convert to fraction form
    682,910.43/942,468.53 = 377,045.70/x
  3. Step 3: Cross multiply
    682,910.43x = 942,468.53 × 377,045.70
  4. Step 4: Simplify right side
    682,910.43x = 355,353,704,736.59
  5. Step 5: Solve for x
    x = 355,353,704,736.59/682,910.43
  6. Step 6: Final answer
    x = 520,351.85

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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.