Home / 705,671.36-1,058,347.44-326,383.97

Finding the Fourth Proportional to 705,671.36, 1,058,347.44 and 326,383.97

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Solution

The fourth proportional to 705,671.36, 1,058,347.44 and 326,383.97 is: 489,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,671.36 : 1,058,347.44 = 326,383.97 : x
  2. Step 2: Convert to fraction form
    705,671.36/1,058,347.44 = 326,383.97/x
  3. Step 3: Cross multiply
    705,671.36x = 1,058,347.44 × 326,383.97
  4. Step 4: Simplify right side
    705,671.36x = 345,427,633,814.80
  5. Step 5: Solve for x
    x = 345,427,633,814.80/705,671.36
  6. Step 6: Final answer
    x = 489,502.13

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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.