Home / 489,095.22-674,942.76-274,234.62

Finding the Fourth Proportional to 489,095.22, 674,942.76 and 274,234.62

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Solution

The fourth proportional to 489,095.22, 674,942.76 and 274,234.62 is: 378,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,095.22 : 674,942.76 = 274,234.62 : x
  2. Step 2: Convert to fraction form
    489,095.22/674,942.76 = 274,234.62/x
  3. Step 3: Cross multiply
    489,095.22x = 674,942.76 × 274,234.62
  4. Step 4: Simplify right side
    489,095.22x = 185,092,671,310.35
  5. Step 5: Solve for x
    x = 185,092,671,310.35/489,095.22
  6. Step 6: Final answer
    x = 378,438.93

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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.