Finding the Fourth Proportional to 871,186.28, 1,202,251.26 and 484,026.68
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Solution
The fourth proportional to 871,186.28, 1,202,251.26 and 484,026.68 is: 667,964.70
Step by Step Solution
- Step 1: Write the proportion equation
871,186.28 : 1,202,251.26 = 484,026.68 : x - Step 2: Convert to fraction form
871,186.28/1,202,251.26 = 484,026.68/x - Step 3: Cross multiply
871,186.28x = 1,202,251.26 × 484,026.68 - Step 4: Simplify right side
871,186.28x = 581,921,685,903.62 - Step 5: Solve for x
x = 581,921,685,903.62/871,186.28 - Step 6: Final answer
x = 667,964.70
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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.