Finding the Fourth Proportional to 721,121.18, 1,080,919.04 and 271,647.54
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Solution
The fourth proportional to 721,121.18, 1,080,919.04 and 271,647.54 is: 407,183.99
Step by Step Solution
- Step 1: Write the proportion equation
721,121.18 : 1,080,919.04 = 271,647.54 : x - Step 2: Convert to fraction form
721,121.18/1,080,919.04 = 271,647.54/x - Step 3: Cross multiply
721,121.18x = 1,080,919.04 × 271,647.54 - Step 4: Simplify right side
721,121.18x = 293,628,996,796.92 - Step 5: Solve for x
x = 293,628,996,796.92/721,121.18 - Step 6: Final answer
x = 407,183.99
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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.