Finding the Fourth Proportional to 727,872.56, 1,004,453.97 and 405,596.24
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Solution
The fourth proportional to 727,872.56, 1,004,453.97 and 405,596.24 is: 559,717.15
Step by Step Solution
- Step 1: Write the proportion equation
727,872.56 : 1,004,453.97 = 405,596.24 : x - Step 2: Convert to fraction form
727,872.56/1,004,453.97 = 405,596.24/x - Step 3: Cross multiply
727,872.56x = 1,004,453.97 × 405,596.24 - Step 4: Simplify right side
727,872.56x = 407,402,753,485.07 - Step 5: Solve for x
x = 407,402,753,485.07/727,872.56 - Step 6: Final answer
x = 559,717.15
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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.