Finding the Fourth Proportional to 850,609.35, 1,275,871.64 and 318,091.23
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Solution
The fourth proportional to 850,609.35, 1,275,871.64 and 318,091.23 is: 477,120.99
Step by Step Solution
- Step 1: Write the proportion equation
850,609.35 : 1,275,871.64 = 318,091.23 : x - Step 2: Convert to fraction form
850,609.35/1,275,871.64 = 318,091.23/x - Step 3: Cross multiply
850,609.35x = 1,275,871.64 × 318,091.23 - Step 4: Simplify right side
850,609.35x = 405,843,577,699.26 - Step 5: Solve for x
x = 405,843,577,699.26/850,609.35 - Step 6: Final answer
x = 477,120.99
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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.