Home / 489,083.22-674,926.20-274,222.62

Finding the Fourth Proportional to 489,083.22, 674,926.20 and 274,222.62

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Solution

The fourth proportional to 489,083.22, 674,926.20 and 274,222.62 is: 378,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,083.22 : 674,926.20 = 274,222.62 : x
  2. Step 2: Convert to fraction form
    489,083.22/674,926.20 = 274,222.62/x
  3. Step 3: Cross multiply
    489,083.22x = 674,926.20 × 274,222.62
  4. Step 4: Simplify right side
    489,083.22x = 185,080,030,870.64
  5. Step 5: Solve for x
    x = 185,080,030,870.64/489,083.22
  6. Step 6: Final answer
    x = 378,422.37

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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.