Finding the Fourth Proportional to 712,198.26, 1,067,559.21 and 445,346.28
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Solution
The fourth proportional to 712,198.26, 1,067,559.21 and 445,346.28 is: 667,557.83
Step by Step Solution
- Step 1: Write the proportion equation
712,198.26 : 1,067,559.21 = 445,346.28 : x - Step 2: Convert to fraction form
712,198.26/1,067,559.21 = 445,346.28/x - Step 3: Cross multiply
712,198.26x = 1,067,559.21 × 445,346.28 - Step 4: Simplify right side
712,198.26x = 475,433,522,853.24 - Step 5: Solve for x
x = 475,433,522,853.24/712,198.26 - Step 6: Final answer
x = 667,557.83
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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.