Home / 845,942.64-1,268,407.08-269,316.72

Finding the Fourth Proportional to 845,942.64, 1,268,407.08 and 269,316.72

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Solution

The fourth proportional to 845,942.64, 1,268,407.08 and 269,316.72 is: 403,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,942.64 : 1,268,407.08 = 269,316.72 : x
  2. Step 2: Convert to fraction form
    845,942.64/1,268,407.08 = 269,316.72/x
  3. Step 3: Cross multiply
    845,942.64x = 1,268,407.08 × 269,316.72
  4. Step 4: Simplify right side
    845,942.64x = 341,603,234,410.38
  5. Step 5: Solve for x
    x = 341,603,234,410.38/845,942.64
  6. Step 6: Final answer
    x = 403,813.71

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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.