Finding the Fourth Proportional to 744,520.14, 1,020,745.62 and 731,067.96
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Solution
The fourth proportional to 744,520.14, 1,020,745.62 and 731,067.96 is: 1,002,302.53
Step by Step Solution
- Step 1: Write the proportion equation
744,520.14 : 1,020,745.62 = 731,067.96 : x - Step 2: Convert to fraction form
744,520.14/1,020,745.62 = 731,067.96/x - Step 3: Cross multiply
744,520.14x = 1,020,745.62 × 731,067.96 - Step 4: Simplify right side
744,520.14x = 746,234,418,092.34 - Step 5: Solve for x
x = 746,234,418,092.34/744,520.14 - Step 6: Final answer
x = 1,002,302.53
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.