Home / 790,741.27-1,091,241.62-451,241.11

Finding the Fourth Proportional to 790,741.27, 1,091,241.62 and 451,241.11

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Solution

The fourth proportional to 790,741.27, 1,091,241.62 and 451,241.11 is: 622,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,741.27 : 1,091,241.62 = 451,241.11 : x
  2. Step 2: Convert to fraction form
    790,741.27/1,091,241.62 = 451,241.11/x
  3. Step 3: Cross multiply
    790,741.27x = 1,091,241.62 × 451,241.11
  4. Step 4: Simplify right side
    790,741.27x = 492,413,079,887.00
  5. Step 5: Solve for x
    x = 492,413,079,887.00/790,741.27
  6. Step 6: Final answer
    x = 622,723.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.