Finding the Fourth Proportional to 547,629.36, 755,674.30 and 305,906.74
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Solution
The fourth proportional to 547,629.36, 755,674.30 and 305,906.74 is: 422,121.02
Step by Step Solution
- Step 1: Write the proportion equation
547,629.36 : 755,674.30 = 305,906.74 : x - Step 2: Convert to fraction form
547,629.36/755,674.30 = 305,906.74/x - Step 3: Cross multiply
547,629.36x = 755,674.30 × 305,906.74 - Step 4: Simplify right side
547,629.36x = 231,165,861,614.78 - Step 5: Solve for x
x = 231,165,861,614.78/547,629.36 - Step 6: Final answer
x = 422,121.02
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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.