Home / 412,724.79-619,087.23-272,450.61

Finding the Fourth Proportional to 412,724.79, 619,087.23 and 272,450.61

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Solution

The fourth proportional to 412,724.79, 619,087.23 and 272,450.61 is: 408,675.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,724.79 : 619,087.23 = 272,450.61 : x
  2. Step 2: Convert to fraction form
    412,724.79/619,087.23 = 272,450.61/x
  3. Step 3: Cross multiply
    412,724.79x = 619,087.23 × 272,450.61
  4. Step 4: Simplify right side
    412,724.79x = 168,670,693,456.71
  5. Step 5: Solve for x
    x = 168,670,693,456.71/412,724.79
  6. Step 6: Final answer
    x = 408,675.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.