Finding the Fourth Proportional to 547,728.06, 755,850.79 and 306,012.44
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Solution
The fourth proportional to 547,728.06, 755,850.79 and 306,012.44 is: 422,289.38
Step by Step Solution
- Step 1: Write the proportion equation
547,728.06 : 755,850.79 = 306,012.44 : x - Step 2: Convert to fraction form
547,728.06/755,850.79 = 306,012.44/x - Step 3: Cross multiply
547,728.06x = 755,850.79 × 306,012.44 - Step 4: Simplify right side
547,728.06x = 231,299,744,523.83 - Step 5: Solve for x
x = 231,299,744,523.83/547,728.06 - Step 6: Final answer
x = 422,289.38
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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.