Finding the Fourth Proportional to 957,193.57, 1,320,910.09 and 521,614.72
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Solution
The fourth proportional to 957,193.57, 1,320,910.09 and 521,614.72 is: 719,819.03
Step by Step Solution
- Step 1: Write the proportion equation
957,193.57 : 1,320,910.09 = 521,614.72 : x - Step 2: Convert to fraction form
957,193.57/1,320,910.09 = 521,614.72/x - Step 3: Cross multiply
957,193.57x = 1,320,910.09 × 521,614.72 - Step 4: Simplify right side
957,193.57x = 689,006,146,740.53 - Step 5: Solve for x
x = 689,006,146,740.53/957,193.57 - Step 6: Final answer
x = 719,819.03
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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.