Finding the Fourth Proportional to 494,147.36, 682,045.44 and 324,611.12
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Solution
The fourth proportional to 494,147.36, 682,045.44 and 324,611.12 is: 448,043.54
Step by Step Solution
- Step 1: Write the proportion equation
494,147.36 : 682,045.44 = 324,611.12 : x - Step 2: Convert to fraction form
494,147.36/682,045.44 = 324,611.12/x - Step 3: Cross multiply
494,147.36x = 682,045.44 × 324,611.12 - Step 4: Simplify right side
494,147.36x = 221,399,534,169.29 - Step 5: Solve for x
x = 221,399,534,169.29/494,147.36 - Step 6: Final answer
x = 448,043.54
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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.