Finding the Fourth Proportional to 886,678.99, 1,330,205.51 and 287,593.62
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Solution
The fourth proportional to 886,678.99, 1,330,205.51 and 287,593.62 is: 431,451.09
Step by Step Solution
- Step 1: Write the proportion equation
886,678.99 : 1,330,205.51 = 287,593.62 : x - Step 2: Convert to fraction form
886,678.99/1,330,205.51 = 287,593.62/x - Step 3: Cross multiply
886,678.99x = 1,330,205.51 × 287,593.62 - Step 4: Simplify right side
886,678.99x = 382,558,617,964.85 - Step 5: Solve for x
x = 382,558,617,964.85/886,678.99 - Step 6: Final answer
x = 431,451.09
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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.