Finding the Fourth Proportional to 494,466.42, 682,282.79 and 324,910.74
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Solution
The fourth proportional to 494,466.42, 682,282.79 and 324,910.74 is: 448,323.69
Step by Step Solution
- Step 1: Write the proportion equation
494,466.42 : 682,282.79 = 324,910.74 : x - Step 2: Convert to fraction form
494,466.42/682,282.79 = 324,910.74/x - Step 3: Cross multiply
494,466.42x = 682,282.79 × 324,910.74 - Step 4: Simplify right side
494,466.42x = 221,681,010,168.21 - Step 5: Solve for x
x = 221,681,010,168.21/494,466.42 - Step 6: Final answer
x = 448,323.69
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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.