Home / 591,199-815,874.78-322,944.28

Finding the Fourth Proportional to 591,199, 815,874.78 and 322,944.28

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Solution

The fourth proportional to 591,199, 815,874.78 and 322,944.28 is: 445,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,199 : 815,874.78 = 322,944.28 : x
  2. Step 2: Convert to fraction form
    591,199/815,874.78 = 322,944.28/x
  3. Step 3: Cross multiply
    591,199x = 815,874.78 × 322,944.28
  4. Step 4: Simplify right side
    591,199x = 263,482,093,397.26
  5. Step 5: Solve for x
    x = 263,482,093,397.26/591,199
  6. Step 6: Final answer
    x = 445,674.12

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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.