Home / 489,092.45-674,986.70-271,322.62

Finding the Fourth Proportional to 489,092.45, 674,986.70 and 271,322.62

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Solution

The fourth proportional to 489,092.45, 674,986.70 and 271,322.62 is: 374,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,092.45 : 674,986.70 = 271,322.62 : x
  2. Step 2: Convert to fraction form
    489,092.45/674,986.70 = 271,322.62/x
  3. Step 3: Cross multiply
    489,092.45x = 674,986.70 × 271,322.62
  4. Step 4: Simplify right side
    489,092.45x = 183,139,158,899.99
  5. Step 5: Solve for x
    x = 183,139,158,899.99/489,092.45
  6. Step 6: Final answer
    x = 374,446.92

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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.