Home / 591,194-815,867.88-322,939.28

Finding the Fourth Proportional to 591,194, 815,867.88 and 322,939.28

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Solution

The fourth proportional to 591,194, 815,867.88 and 322,939.28 is: 445,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,194 : 815,867.88 = 322,939.28 : x
  2. Step 2: Convert to fraction form
    591,194/815,867.88 = 322,939.28/x
  3. Step 3: Cross multiply
    591,194x = 815,867.88 × 322,939.28
  4. Step 4: Simplify right side
    591,194x = 263,475,785,742.33
  5. Step 5: Solve for x
    x = 263,475,785,742.33/591,194
  6. Step 6: Final answer
    x = 445,667.22

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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.