Finding the Fourth Proportional to 656,478.59, 984,717.77 and 207,514.62
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Solution
The fourth proportional to 656,478.59, 984,717.77 and 207,514.62 is: 311,271.89
Step by Step Solution
- Step 1: Write the proportion equation
656,478.59 : 984,717.77 = 207,514.62 : x - Step 2: Convert to fraction form
656,478.59/984,717.77 = 207,514.62/x - Step 3: Cross multiply
656,478.59x = 984,717.77 × 207,514.62 - Step 4: Simplify right side
656,478.59x = 204,343,332,811.22 - Step 5: Solve for x
x = 204,343,332,811.22/656,478.59 - Step 6: Final answer
x = 311,271.89
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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.