Finding the Fourth Proportional to 886,679.99, 1,330,207.01 and 287,594.62
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Solution
The fourth proportional to 886,679.99, 1,330,207.01 and 287,594.62 is: 431,452.59
Step by Step Solution
- Step 1: Write the proportion equation
886,679.99 : 1,330,207.01 = 287,594.62 : x - Step 2: Convert to fraction form
886,679.99/1,330,207.01 = 287,594.62/x - Step 3: Cross multiply
886,679.99x = 1,330,207.01 × 287,594.62 - Step 4: Simplify right side
886,679.99x = 382,560,379,562.29 - Step 5: Solve for x
x = 382,560,379,562.29/886,679.99 - Step 6: Final answer
x = 431,452.59
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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.