Finding the Fourth Proportional to 852,761.42, 1,176,676.68 and 490,115.26
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Solution
The fourth proportional to 852,761.42, 1,176,676.68 and 490,115.26 is: 676,281.99
Step by Step Solution
- Step 1: Write the proportion equation
852,761.42 : 1,176,676.68 = 490,115.26 : x - Step 2: Convert to fraction form
852,761.42/1,176,676.68 = 490,115.26/x - Step 3: Cross multiply
852,761.42x = 1,176,676.68 × 490,115.26 - Step 4: Simplify right side
852,761.42x = 576,707,191,070.75 - Step 5: Solve for x
x = 576,707,191,070.75/852,761.42 - Step 6: Final answer
x = 676,281.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.