Finding the Fourth Proportional to 590,892.20, 815,397.80 and 349,197.26
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Solution
The fourth proportional to 590,892.20, 815,397.80 and 349,197.26 is: 481,872.46
Step by Step Solution
- Step 1: Write the proportion equation
590,892.20 : 815,397.80 = 349,197.26 : x - Step 2: Convert to fraction form
590,892.20/815,397.80 = 349,197.26/x - Step 3: Cross multiply
590,892.20x = 815,397.80 × 349,197.26 - Step 4: Simplify right side
590,892.20x = 284,734,675,824.04 - Step 5: Solve for x
x = 284,734,675,824.04/590,892.20 - Step 6: Final answer
x = 481,872.46
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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.