Finding the Fourth Proportional to 800,520.36, 1,201,194.44 and 351,556.80
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Solution
The fourth proportional to 800,520.36, 1,201,194.44 and 351,556.80 is: 527,516.97
Step by Step Solution
- Step 1: Write the proportion equation
800,520.36 : 1,201,194.44 = 351,556.80 : x - Step 2: Convert to fraction form
800,520.36/1,201,194.44 = 351,556.80/x - Step 3: Cross multiply
800,520.36x = 1,201,194.44 × 351,556.80 - Step 4: Simplify right side
800,520.36x = 422,288,073,504.19 - Step 5: Solve for x
x = 422,288,073,504.19/800,520.36 - Step 6: Final answer
x = 527,516.97
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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.