Home / 845,340.21-1,268,204.76-276,739.65

Finding the Fourth Proportional to 845,340.21, 1,268,204.76 and 276,739.65

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Solution

The fourth proportional to 845,340.21, 1,268,204.76 and 276,739.65 is: 415,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,340.21 : 1,268,204.76 = 276,739.65 : x
  2. Step 2: Convert to fraction form
    845,340.21/1,268,204.76 = 276,739.65/x
  3. Step 3: Cross multiply
    845,340.21x = 1,268,204.76 × 276,739.65
  4. Step 4: Simplify right side
    845,340.21x = 350,962,541,410.73
  5. Step 5: Solve for x
    x = 350,962,541,410.73/845,340.21
  6. Step 6: Final answer
    x = 415,173.13

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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.