Home / 845,438.51-1,268,313.24-276,851.27

Finding the Fourth Proportional to 845,438.51, 1,268,313.24 and 276,851.27

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Solution

The fourth proportional to 845,438.51, 1,268,313.24 and 276,851.27 is: 415,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,438.51 : 1,268,313.24 = 276,851.27 : x
  2. Step 2: Convert to fraction form
    845,438.51/1,268,313.24 = 276,851.27/x
  3. Step 3: Cross multiply
    845,438.51x = 1,268,313.24 × 276,851.27
  4. Step 4: Simplify right side
    845,438.51x = 351,134,131,251.82
  5. Step 5: Solve for x
    x = 351,134,131,251.82/845,438.51
  6. Step 6: Final answer
    x = 415,327.82

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1.5x scale

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.