Finding the Fourth Proportional to 810,596.22, 1,214,842.68 and 330,265.44
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Solution
The fourth proportional to 810,596.22, 1,214,842.68 and 330,265.44 is: 494,969.68
Step by Step Solution
- Step 1: Write the proportion equation
810,596.22 : 1,214,842.68 = 330,265.44 : x - Step 2: Convert to fraction form
810,596.22/1,214,842.68 = 330,265.44/x - Step 3: Cross multiply
810,596.22x = 1,214,842.68 × 330,265.44 - Step 4: Simplify right side
810,596.22x = 401,220,552,240.98 - Step 5: Solve for x
x = 401,220,552,240.98/810,596.22 - Step 6: Final answer
x = 494,969.68
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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.