Finding the Fourth Proportional to 824,841.92, 1,138,284 and 467,145.92
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Solution
The fourth proportional to 824,841.92, 1,138,284 and 467,145.92 is: 644,662.59
Step by Step Solution
- Step 1: Write the proportion equation
824,841.92 : 1,138,284 = 467,145.92 : x - Step 2: Convert to fraction form
824,841.92/1,138,284 = 467,145.92/x - Step 3: Cross multiply
824,841.92x = 1,138,284 × 467,145.92 - Step 4: Simplify right side
824,841.92x = 531,744,726,401.28 - Step 5: Solve for x
x = 531,744,726,401.28/824,841.92 - Step 6: Final answer
x = 644,662.59
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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.