Home / 845,185.11-1,268,187.72-371,808.96

Finding the Fourth Proportional to 845,185.11, 1,268,187.72 and 371,808.96

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Solution

The fourth proportional to 845,185.11, 1,268,187.72 and 371,808.96 is: 557,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,185.11 : 1,268,187.72 = 371,808.96 : x
  2. Step 2: Convert to fraction form
    845,185.11/1,268,187.72 = 371,808.96/x
  3. Step 3: Cross multiply
    845,185.11x = 1,268,187.72 × 371,808.96
  4. Step 4: Simplify right side
    845,185.11x = 471,523,557,257.97
  5. Step 5: Solve for x
    x = 471,523,557,257.97/845,185.11
  6. Step 6: Final answer
    x = 557,893.83

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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.