Home / 705,781.38-1,058,076.93-306,121.17

Finding the Fourth Proportional to 705,781.38, 1,058,076.93 and 306,121.17

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Solution

The fourth proportional to 705,781.38, 1,058,076.93 and 306,121.17 is: 458,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,781.38 : 1,058,076.93 = 306,121.17 : x
  2. Step 2: Convert to fraction form
    705,781.38/1,058,076.93 = 306,121.17/x
  3. Step 3: Cross multiply
    705,781.38x = 1,058,076.93 × 306,121.17
  4. Step 4: Simplify right side
    705,781.38x = 323,899,747,761.61
  5. Step 5: Solve for x
    x = 323,899,747,761.61/705,781.38
  6. Step 6: Final answer
    x = 458,923.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.