Finding the Fourth Proportional to 775,250.38, 1,161,691.35 and 325,725.49
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Solution
The fourth proportional to 775,250.38, 1,161,691.35 and 325,725.49 is: 488,090.68
Step by Step Solution
- Step 1: Write the proportion equation
775,250.38 : 1,161,691.35 = 325,725.49 : x - Step 2: Convert to fraction form
775,250.38/1,161,691.35 = 325,725.49/x - Step 3: Cross multiply
775,250.38x = 1,161,691.35 × 325,725.49 - Step 4: Simplify right side
775,250.38x = 378,392,484,207.51 - Step 5: Solve for x
x = 378,392,484,207.51/775,250.38 - Step 6: Final answer
x = 488,090.68
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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.