Home / 492,935.22-680,267.97-278,084.34

Finding the Fourth Proportional to 492,935.22, 680,267.97 and 278,084.34

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Solution

The fourth proportional to 492,935.22, 680,267.97 and 278,084.34 is: 383,766.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,935.22 : 680,267.97 = 278,084.34 : x
  2. Step 2: Convert to fraction form
    492,935.22/680,267.97 = 278,084.34/x
  3. Step 3: Cross multiply
    492,935.22x = 680,267.97 × 278,084.34
  4. Step 4: Simplify right side
    492,935.22x = 189,171,869,460.59
  5. Step 5: Solve for x
    x = 189,171,869,460.59/492,935.22
  6. Step 6: Final answer
    x = 383,766.19

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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.