Finding the Fourth Proportional to 871,627.54, 1,202,876.84 and 484,450.68
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Solution
The fourth proportional to 871,627.54, 1,202,876.84 and 484,450.68 is: 668,559.08
Step by Step Solution
- Step 1: Write the proportion equation
871,627.54 : 1,202,876.84 = 484,450.68 : x - Step 2: Convert to fraction form
871,627.54/1,202,876.84 = 484,450.68/x - Step 3: Cross multiply
871,627.54x = 1,202,876.84 × 484,450.68 - Step 4: Simplify right side
871,627.54x = 582,734,503,094.25 - Step 5: Solve for x
x = 582,734,503,094.25/871,627.54 - Step 6: Final answer
x = 668,559.08
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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.