Finding the Fourth Proportional to 850,611.35, 1,275,874.63 and 318,093.23
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Solution
The fourth proportional to 850,611.35, 1,275,874.63 and 318,093.23 is: 477,123.99
Step by Step Solution
- Step 1: Write the proportion equation
850,611.35 : 1,275,874.63 = 318,093.23 : x - Step 2: Convert to fraction form
850,611.35/1,275,874.63 = 318,093.23/x - Step 3: Cross multiply
850,611.35x = 1,275,874.63 × 318,093.23 - Step 4: Simplify right side
850,611.35x = 405,847,082,131.76 - Step 5: Solve for x
x = 405,847,082,131.76/850,611.35 - Step 6: Final answer
x = 477,123.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.