Finding the Fourth Proportional to 871,546.08, 1,306,709.28 and 445,213.92
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Solution
The fourth proportional to 871,546.08, 1,306,709.28 and 445,213.92 is: 667,509.35
Step by Step Solution
- Step 1: Write the proportion equation
871,546.08 : 1,306,709.28 = 445,213.92 : x - Step 2: Convert to fraction form
871,546.08/1,306,709.28 = 445,213.92/x - Step 3: Cross multiply
871,546.08x = 1,306,709.28 × 445,213.92 - Step 4: Simplify right side
871,546.08x = 581,765,160,849.18 - Step 5: Solve for x
x = 581,765,160,849.18/871,546.08 - Step 6: Final answer
x = 667,509.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.