Home / 489,114.18-674,976.94-271,355.87

Finding the Fourth Proportional to 489,114.18, 674,976.94 and 271,355.87

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Solution

The fourth proportional to 489,114.18, 674,976.94 and 271,355.87 is: 374,470.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,114.18 : 674,976.94 = 271,355.87 : x
  2. Step 2: Convert to fraction form
    489,114.18/674,976.94 = 271,355.87/x
  3. Step 3: Cross multiply
    489,114.18x = 674,976.94 × 271,355.87
  4. Step 4: Simplify right side
    489,114.18x = 183,158,955,020.49
  5. Step 5: Solve for x
    x = 183,158,955,020.49/489,114.18
  6. Step 6: Final answer
    x = 374,470.76

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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.