Home / 845,375.66-1,268,257.80-276,775.10

Finding the Fourth Proportional to 845,375.66, 1,268,257.80 and 276,775.10

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Solution

The fourth proportional to 845,375.66, 1,268,257.80 and 276,775.10 is: 415,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,375.66 : 1,268,257.80 = 276,775.10 : x
  2. Step 2: Convert to fraction form
    845,375.66/1,268,257.80 = 276,775.10/x
  3. Step 3: Cross multiply
    845,375.66x = 1,268,257.80 × 276,775.10
  4. Step 4: Simplify right side
    845,375.66x = 351,022,179,420.78
  5. Step 5: Solve for x
    x = 351,022,179,420.78/845,375.66
  6. Step 6: Final answer
    x = 415,226.27

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Why These Related Problems?

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