Home / 491,236.81-677,851.93-276,372.25

Finding the Fourth Proportional to 491,236.81, 677,851.93 and 276,372.25

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Solution

The fourth proportional to 491,236.81, 677,851.93 and 276,372.25 is: 381,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,236.81 : 677,851.93 = 276,372.25 : x
  2. Step 2: Convert to fraction form
    491,236.81/677,851.93 = 276,372.25/x
  3. Step 3: Cross multiply
    491,236.81x = 677,851.93 × 276,372.25
  4. Step 4: Simplify right side
    491,236.81x = 187,339,463,060.94
  5. Step 5: Solve for x
    x = 187,339,463,060.94/491,236.81
  6. Step 6: Final answer
    x = 381,362.84

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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.