Finding the Fourth Proportional to 730,891.92, 1,096,349.92 and 257,582.96
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Solution
The fourth proportional to 730,891.92, 1,096,349.92 and 257,582.96 is: 386,378.68
Step by Step Solution
- Step 1: Write the proportion equation
730,891.92 : 1,096,349.92 = 257,582.96 : x - Step 2: Convert to fraction form
730,891.92/1,096,349.92 = 257,582.96/x - Step 3: Cross multiply
730,891.92x = 1,096,349.92 × 257,582.96 - Step 4: Simplify right side
730,891.92x = 282,401,057,589.36 - Step 5: Solve for x
x = 282,401,057,589.36/730,891.92 - Step 6: Final answer
x = 386,378.68
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1.5x scale
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.