Finding the Fourth Proportional to 871,458.48, 1,202,586.51 and 484,272.60
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Solution
The fourth proportional to 871,458.48, 1,202,586.51 and 484,272.60 is: 668,281.63
Step by Step Solution
- Step 1: Write the proportion equation
871,458.48 : 1,202,586.51 = 484,272.60 : x - Step 2: Convert to fraction form
871,458.48/1,202,586.51 = 484,272.60/x - Step 3: Cross multiply
871,458.48x = 1,202,586.51 × 484,272.60 - Step 4: Simplify right side
871,458.48x = 582,379,695,922.63 - Step 5: Solve for x
x = 582,379,695,922.63/871,458.48 - Step 6: Final answer
x = 668,281.63
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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.