Finding the Fourth Proportional to 861,797.51, 1,189,234.99 and 494,255.67
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Solution
The fourth proportional to 861,797.51, 1,189,234.99 and 494,255.67 is: 682,046.69
Step by Step Solution
- Step 1: Write the proportion equation
861,797.51 : 1,189,234.99 = 494,255.67 : x - Step 2: Convert to fraction form
861,797.51/1,189,234.99 = 494,255.67/x - Step 3: Cross multiply
861,797.51x = 1,189,234.99 × 494,255.67 - Step 4: Simplify right side
861,797.51x = 587,786,136,769.89 - Step 5: Solve for x
x = 587,786,136,769.89/861,797.51 - Step 6: Final answer
x = 682,046.69
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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.