Finding the Fourth Proportional to 721,062.10, 1,080,830.44 and 271,588.49
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Solution
The fourth proportional to 721,062.10, 1,080,830.44 and 271,588.49 is: 407,095.46
Step by Step Solution
- Step 1: Write the proportion equation
721,062.10 : 1,080,830.44 = 271,588.49 : x - Step 2: Convert to fraction form
721,062.10/1,080,830.44 = 271,588.49/x - Step 3: Cross multiply
721,062.10x = 1,080,830.44 × 271,588.49 - Step 4: Simplify right side
721,062.10x = 293,541,110,686.07 - Step 5: Solve for x
x = 293,541,110,686.07/721,062.10 - Step 6: Final answer
x = 407,095.46
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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.