Home / 489,528.45-675,560.91-274,684.41

Finding the Fourth Proportional to 489,528.45, 675,560.91 and 274,684.41

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Solution

The fourth proportional to 489,528.45, 675,560.91 and 274,684.41 is: 379,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,528.45 : 675,560.91 = 274,684.41 : x
  2. Step 2: Convert to fraction form
    489,528.45/675,560.91 = 274,684.41/x
  3. Step 3: Cross multiply
    489,528.45x = 675,560.91 × 274,684.41
  4. Step 4: Simplify right side
    489,528.45x = 185,566,049,982.41
  5. Step 5: Solve for x
    x = 185,566,049,982.41/489,528.45
  6. Step 6: Final answer
    x = 379,071.02

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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.