Home / 493,035.44-680,350.20-278,227.76

Finding the Fourth Proportional to 493,035.44, 680,350.20 and 278,227.76

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Solution

The fourth proportional to 493,035.44, 680,350.20 and 278,227.76 is: 383,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,035.44 : 680,350.20 = 278,227.76 : x
  2. Step 2: Convert to fraction form
    493,035.44/680,350.20 = 278,227.76/x
  3. Step 3: Cross multiply
    493,035.44x = 680,350.20 × 278,227.76
  4. Step 4: Simplify right side
    493,035.44x = 189,292,312,161.55
  5. Step 5: Solve for x
    x = 189,292,312,161.55/493,035.44
  6. Step 6: Final answer
    x = 383,932.47

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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.