Finding the Fourth Proportional to 494,292.06, 682,119.72 and 279,431.82
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Solution
The fourth proportional to 494,292.06, 682,119.72 and 279,431.82 is: 385,614.03
Step by Step Solution
- Step 1: Write the proportion equation
494,292.06 : 682,119.72 = 279,431.82 : x - Step 2: Convert to fraction form
494,292.06/682,119.72 = 279,431.82/x - Step 3: Cross multiply
494,292.06x = 682,119.72 × 279,431.82 - Step 4: Simplify right side
494,292.06x = 190,605,954,817.49 - Step 5: Solve for x
x = 190,605,954,817.49/494,292.06 - Step 6: Final answer
x = 385,614.03
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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.