Finding the Fourth Proportional to 664,107.05, 916,463.39 and 377,627.15
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Solution
The fourth proportional to 664,107.05, 916,463.39 and 377,627.15 is: 521,122.99
Step by Step Solution
- Step 1: Write the proportion equation
664,107.05 : 916,463.39 = 377,627.15 : x - Step 2: Convert to fraction form
664,107.05/916,463.39 = 377,627.15/x - Step 3: Cross multiply
664,107.05x = 916,463.39 × 377,627.15 - Step 4: Simplify right side
664,107.05x = 346,081,451,574.59 - Step 5: Solve for x
x = 346,081,451,574.59/664,107.05 - Step 6: Final answer
x = 521,122.99
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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.