Finding the Fourth Proportional to 852,744.08, 1,278,893.40 and 253,543.92
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Solution
The fourth proportional to 852,744.08, 1,278,893.40 and 253,543.92 is: 380,249.66
Step by Step Solution
- Step 1: Write the proportion equation
852,744.08 : 1,278,893.40 = 253,543.92 : x - Step 2: Convert to fraction form
852,744.08/1,278,893.40 = 253,543.92/x - Step 3: Cross multiply
852,744.08x = 1,278,893.40 × 253,543.92 - Step 4: Simplify right side
852,744.08x = 324,255,645,898.13 - Step 5: Solve for x
x = 324,255,645,898.13/852,744.08 - Step 6: Final answer
x = 380,249.66
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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.