Finding the Fourth Proportional to 912,658.16, 1,259,476.62 and 504,738.92
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Solution
The fourth proportional to 912,658.16, 1,259,476.62 and 504,738.92 is: 696,544.33
Step by Step Solution
- Step 1: Write the proportion equation
912,658.16 : 1,259,476.62 = 504,738.92 : x - Step 2: Convert to fraction form
912,658.16/1,259,476.62 = 504,738.92/x - Step 3: Cross multiply
912,658.16x = 1,259,476.62 × 504,738.92 - Step 4: Simplify right side
912,658.16x = 635,706,868,944.05 - Step 5: Solve for x
x = 635,706,868,944.05/912,658.16 - Step 6: Final answer
x = 696,544.33
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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.