Home / 767,005.82-1,058,471.25-422,833.86

Finding the Fourth Proportional to 767,005.82, 1,058,471.25 and 422,833.86

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Solution

The fourth proportional to 767,005.82, 1,058,471.25 and 422,833.86 is: 583,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,005.82 : 1,058,471.25 = 422,833.86 : x
  2. Step 2: Convert to fraction form
    767,005.82/1,058,471.25 = 422,833.86/x
  3. Step 3: Cross multiply
    767,005.82x = 1,058,471.25 × 422,833.86
  4. Step 4: Simplify right side
    767,005.82x = 447,557,484,336.53
  5. Step 5: Solve for x
    x = 447,557,484,336.53/767,005.82
  6. Step 6: Final answer
    x = 583,512.50

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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.