Finding the Fourth Proportional to 777,796.29, 1,073,596.10 and 451,191.84
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Solution
The fourth proportional to 777,796.29, 1,073,596.10 and 451,191.84 is: 622,782.35
Step by Step Solution
- Step 1: Write the proportion equation
777,796.29 : 1,073,596.10 = 451,191.84 : x - Step 2: Convert to fraction form
777,796.29/1,073,596.10 = 451,191.84/x - Step 3: Cross multiply
777,796.29x = 1,073,596.10 × 451,191.84 - Step 4: Simplify right side
777,796.29x = 484,397,799,775.82 - Step 5: Solve for x
x = 484,397,799,775.82/777,796.29 - Step 6: Final answer
x = 622,782.35
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1.5x scale
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.