Home / 492,935.45-680,282.41-277,997.09

Finding the Fourth Proportional to 492,935.45, 680,282.41 and 277,997.09

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Solution

The fourth proportional to 492,935.45, 680,282.41 and 277,997.09 is: 383,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,935.45 : 680,282.41 = 277,997.09 : x
  2. Step 2: Convert to fraction form
    492,935.45/680,282.41 = 277,997.09/x
  3. Step 3: Cross multiply
    492,935.45x = 680,282.41 × 277,997.09
  4. Step 4: Simplify right side
    492,935.45x = 189,116,529,087.25
  5. Step 5: Solve for x
    x = 189,116,529,087.25/492,935.45
  6. Step 6: Final answer
    x = 383,653.74

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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.