Home / 691,028.72-1,036,673.76-270,278

Finding the Fourth Proportional to 691,028.72, 1,036,673.76 and 270,278

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Solution

The fourth proportional to 691,028.72, 1,036,673.76 and 270,278 is: 405,468.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,028.72 : 1,036,673.76 = 270,278 : x
  2. Step 2: Convert to fraction form
    691,028.72/1,036,673.76 = 270,278/x
  3. Step 3: Cross multiply
    691,028.72x = 1,036,673.76 × 270,278
  4. Step 4: Simplify right side
    691,028.72x = 280,190,110,505.28
  5. Step 5: Solve for x
    x = 280,190,110,505.28/691,028.72
  6. Step 6: Final answer
    x = 405,468.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.