Finding the Fourth Proportional to 871,338.98, 1,202,480.97 and 484,183.14
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Solution
The fourth proportional to 871,338.98, 1,202,480.97 and 484,183.14 is: 668,191.17
Step by Step Solution
- Step 1: Write the proportion equation
871,338.98 : 1,202,480.97 = 484,183.14 : x - Step 2: Convert to fraction form
871,338.98/1,202,480.97 = 484,183.14/x - Step 3: Cross multiply
871,338.98x = 1,202,480.97 × 484,183.14 - Step 4: Simplify right side
871,338.98x = 582,221,011,844.85 - Step 5: Solve for x
x = 582,221,011,844.85/871,338.98 - Step 6: Final answer
x = 668,191.17
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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.