Finding the Fourth Proportional to 871,301.10, 1,202,380.40 and 484,120.09
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Solution
The fourth proportional to 871,301.10, 1,202,380.40 and 484,120.09 is: 668,077.32
Step by Step Solution
- Step 1: Write the proportion equation
871,301.10 : 1,202,380.40 = 484,120.09 : x - Step 2: Convert to fraction form
871,301.10/1,202,380.40 = 484,120.09/x - Step 3: Cross multiply
871,301.10x = 1,202,380.40 × 484,120.09 - Step 4: Simplify right side
871,301.10x = 582,096,510,175.51 - Step 5: Solve for x
x = 582,096,510,175.51/871,301.10 - Step 6: Final answer
x = 668,077.32
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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.