Finding the Fourth Proportional to 528,822.08, 729,157.92 and 394,452.80
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Solution
The fourth proportional to 528,822.08, 729,157.92 and 394,452.80 is: 543,884.97
Step by Step Solution
- Step 1: Write the proportion equation
528,822.08 : 729,157.92 = 394,452.80 : x - Step 2: Convert to fraction form
528,822.08/729,157.92 = 394,452.80/x - Step 3: Cross multiply
528,822.08x = 729,157.92 × 394,452.80 - Step 4: Simplify right side
528,822.08x = 287,618,383,186.18 - Step 5: Solve for x
x = 287,618,383,186.18/528,822.08 - Step 6: Final answer
x = 543,884.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.