Finding the Fourth Proportional to 721,094.71, 1,080,879.33 and 271,621.09
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Solution
The fourth proportional to 721,094.71, 1,080,879.33 and 271,621.09 is: 407,144.33
Step by Step Solution
- Step 1: Write the proportion equation
721,094.71 : 1,080,879.33 = 271,621.09 : x - Step 2: Convert to fraction form
721,094.71/1,080,879.33 = 271,621.09/x - Step 3: Cross multiply
721,094.71x = 1,080,879.33 × 271,621.09 - Step 4: Simplify right side
721,094.71x = 293,589,621,773.07 - Step 5: Solve for x
x = 293,589,621,773.07/721,094.71 - Step 6: Final answer
x = 407,144.33
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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.