Finding the Fourth Proportional to 741,882.62, 1,112,242.56 and 292,939.54
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Solution
The fourth proportional to 741,882.62, 1,112,242.56 and 292,939.54 is: 439,179.75
Step by Step Solution
- Step 1: Write the proportion equation
741,882.62 : 1,112,242.56 = 292,939.54 : x - Step 2: Convert to fraction form
741,882.62/1,112,242.56 = 292,939.54/x - Step 3: Cross multiply
741,882.62x = 1,112,242.56 × 292,939.54 - Step 4: Simplify right side
741,882.62x = 325,819,822,487.37 - Step 5: Solve for x
x = 325,819,822,487.37/741,882.62 - Step 6: Final answer
x = 439,179.75
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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.