Finding the Fourth Proportional to 667,817.22, 1,001,055.24 and 331,102.62
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Solution
The fourth proportional to 667,817.22, 1,001,055.24 and 331,102.62 is: 496,321.45
Step by Step Solution
- Step 1: Write the proportion equation
667,817.22 : 1,001,055.24 = 331,102.62 : x - Step 2: Convert to fraction form
667,817.22/1,001,055.24 = 331,102.62/x - Step 3: Cross multiply
667,817.22x = 1,001,055.24 × 331,102.62 - Step 4: Simplify right side
667,817.22x = 331,452,012,728.73 - Step 5: Solve for x
x = 331,452,012,728.73/667,817.22 - Step 6: Final answer
x = 496,321.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.