Home / 489,827.52-675,910.04-274,991.22

Finding the Fourth Proportional to 489,827.52, 675,910.04 and 274,991.22

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Solution

The fourth proportional to 489,827.52, 675,910.04 and 274,991.22 is: 379,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,827.52 : 675,910.04 = 274,991.22 : x
  2. Step 2: Convert to fraction form
    489,827.52/675,910.04 = 274,991.22/x
  3. Step 3: Cross multiply
    489,827.52x = 675,910.04 × 274,991.22
  4. Step 4: Simplify right side
    489,827.52x = 185,869,325,134.89
  5. Step 5: Solve for x
    x = 185,869,325,134.89/489,827.52
  6. Step 6: Final answer
    x = 379,458.72

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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.