Home / 491,032.56-677,618.26-276,172.57

Finding the Fourth Proportional to 491,032.56, 677,618.26 and 276,172.57

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Solution

The fourth proportional to 491,032.56, 677,618.26 and 276,172.57 is: 381,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,032.56 : 677,618.26 = 276,172.57 : x
  2. Step 2: Convert to fraction form
    491,032.56/677,618.26 = 276,172.57/x
  3. Step 3: Cross multiply
    491,032.56x = 677,618.26 × 276,172.57
  4. Step 4: Simplify right side
    491,032.56x = 187,139,573,958.65
  5. Step 5: Solve for x
    x = 187,139,573,958.65/491,032.56
  6. Step 6: Final answer
    x = 381,114.39

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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.