Finding the Fourth Proportional to 664,093.92, 916,445.34 and 377,613.99
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Solution
The fourth proportional to 664,093.92, 916,445.34 and 377,613.99 is: 521,104.88
Step by Step Solution
- Step 1: Write the proportion equation
664,093.92 : 916,445.34 = 377,613.99 : x - Step 2: Convert to fraction form
664,093.92/916,445.34 = 377,613.99/x - Step 3: Cross multiply
664,093.92x = 916,445.34 × 377,613.99 - Step 4: Simplify right side
664,093.92x = 346,062,581,454.31 - Step 5: Solve for x
x = 346,062,581,454.31/664,093.92 - Step 6: Final answer
x = 521,104.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.