Finding the Fourth Proportional to 547,396.66, 755,405.88 and 305,677.26
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Solution
The fourth proportional to 547,396.66, 755,405.88 and 305,677.26 is: 421,833.78
Step by Step Solution
- Step 1: Write the proportion equation
547,396.66 : 755,405.88 = 305,677.26 : x - Step 2: Convert to fraction form
547,396.66/755,405.88 = 305,677.26/x - Step 3: Cross multiply
547,396.66x = 755,405.88 × 305,677.26 - Step 4: Simplify right side
547,396.66x = 230,910,399,586.29 - Step 5: Solve for x
x = 230,910,399,586.29/547,396.66 - Step 6: Final answer
x = 421,833.78
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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.