Finding the Fourth Proportional to 547,328.62, 821,252.85 and 379,107.82
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Solution
The fourth proportional to 547,328.62, 821,252.85 and 379,107.82 is: 568,841.76
Step by Step Solution
- Step 1: Write the proportion equation
547,328.62 : 821,252.85 = 379,107.82 : x - Step 2: Convert to fraction form
547,328.62/821,252.85 = 379,107.82/x - Step 3: Cross multiply
547,328.62x = 821,252.85 × 379,107.82 - Step 4: Simplify right side
547,328.62x = 311,343,377,632.29 - Step 5: Solve for x
x = 311,343,377,632.29/547,328.62 - Step 6: Final answer
x = 568,841.76
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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.