Home / 492,826.56-680,099.68-277,965.96

Finding the Fourth Proportional to 492,826.56, 680,099.68 and 277,965.96

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Solution

The fourth proportional to 492,826.56, 680,099.68 and 277,965.96 is: 383,592.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,826.56 : 680,099.68 = 277,965.96 : x
  2. Step 2: Convert to fraction form
    492,826.56/680,099.68 = 277,965.96/x
  3. Step 3: Cross multiply
    492,826.56x = 680,099.68 × 277,965.96
  4. Step 4: Simplify right side
    492,826.56x = 189,044,560,446.89
  5. Step 5: Solve for x
    x = 189,044,560,446.89/492,826.56
  6. Step 6: Final answer
    x = 383,592.48

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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.