Finding the Fourth Proportional to 955,442.20, 1,433,163.30 and 656,843.80
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Solution
The fourth proportional to 955,442.20, 1,433,163.30 and 656,843.80 is: 985,265.70
Step by Step Solution
- Step 1: Write the proportion equation
955,442.20 : 1,433,163.30 = 656,843.80 : x - Step 2: Convert to fraction form
955,442.20/1,433,163.30 = 656,843.80/x - Step 3: Cross multiply
955,442.20x = 1,433,163.30 × 656,843.80 - Step 4: Simplify right side
955,442.20x = 941,364,427,992.54 - Step 5: Solve for x
x = 941,364,427,992.54/955,442.20 - Step 6: Final answer
x = 985,265.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.