Finding the Fourth Proportional to 894,105.96, 1,233,841.62 and 491,697.96
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Solution
The fourth proportional to 894,105.96, 1,233,841.62 and 491,697.96 is: 678,529.65
Step by Step Solution
- Step 1: Write the proportion equation
894,105.96 : 1,233,841.62 = 491,697.96 : x - Step 2: Convert to fraction form
894,105.96/1,233,841.62 = 491,697.96/x - Step 3: Cross multiply
894,105.96x = 1,233,841.62 × 491,697.96 - Step 4: Simplify right side
894,105.96x = 606,677,407,517.10 - Step 5: Solve for x
x = 606,677,407,517.10/894,105.96 - Step 6: Final answer
x = 678,529.65
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1.5x scale
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.