Finding the Fourth Proportional to 667,792.80, 921,548.88 and 365,986.08
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Solution
The fourth proportional to 667,792.80, 921,548.88 and 365,986.08 is: 505,057.95
Step by Step Solution
- Step 1: Write the proportion equation
667,792.80 : 921,548.88 = 365,986.08 : x - Step 2: Convert to fraction form
667,792.80/921,548.88 = 365,986.08/x - Step 3: Cross multiply
667,792.80x = 921,548.88 × 365,986.08 - Step 4: Simplify right side
667,792.80x = 337,274,062,119.59 - Step 5: Solve for x
x = 337,274,062,119.59/667,792.80 - Step 6: Final answer
x = 505,057.95
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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.