Finding the Fourth Proportional to 673,874.70, 1,010,520.45 and 274,382.70
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Solution
The fourth proportional to 673,874.70, 1,010,520.45 and 274,382.70 is: 411,455.32
Step by Step Solution
- Step 1: Write the proportion equation
673,874.70 : 1,010,520.45 = 274,382.70 : x - Step 2: Convert to fraction form
673,874.70/1,010,520.45 = 274,382.70/x - Step 3: Cross multiply
673,874.70x = 1,010,520.45 × 274,382.70 - Step 4: Simplify right side
673,874.70x = 277,269,329,476.22 - Step 5: Solve for x
x = 277,269,329,476.22/673,874.70 - Step 6: Final answer
x = 411,455.32
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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.