Home / 492,944.82-680,295.36-278,006.46

Finding the Fourth Proportional to 492,944.82, 680,295.36 and 278,006.46

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Solution

The fourth proportional to 492,944.82, 680,295.36 and 278,006.46 is: 383,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,944.82 : 680,295.36 = 278,006.46 : x
  2. Step 2: Convert to fraction form
    492,944.82/680,295.36 = 278,006.46/x
  3. Step 3: Cross multiply
    492,944.82x = 680,295.36 × 278,006.46
  4. Step 4: Simplify right side
    492,944.82x = 189,126,504,788.03
  5. Step 5: Solve for x
    x = 189,126,504,788.03/492,944.82
  6. Step 6: Final answer
    x = 383,666.68

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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.