Home / 744,484.97-1,027,571.78-422,383.61

Finding the Fourth Proportional to 744,484.97, 1,027,571.78 and 422,383.61

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Solution

The fourth proportional to 744,484.97, 1,027,571.78 and 422,383.61 is: 582,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,484.97 : 1,027,571.78 = 422,383.61 : x
  2. Step 2: Convert to fraction form
    744,484.97/1,027,571.78 = 422,383.61/x
  3. Step 3: Cross multiply
    744,484.97x = 1,027,571.78 × 422,383.61
  4. Step 4: Simplify right side
    744,484.97x = 434,029,477,970.53
  5. Step 5: Solve for x
    x = 434,029,477,970.53/744,484.97
  6. Step 6: Final answer
    x = 582,992.94

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1.5x scale

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.