Finding the Fourth Proportional to 741,392.76, 1,112,434.74 and 441,861.24
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Solution
The fourth proportional to 741,392.76, 1,112,434.74 and 441,861.24 is: 662,997.83
Step by Step Solution
- Step 1: Write the proportion equation
741,392.76 : 1,112,434.74 = 441,861.24 : x - Step 2: Convert to fraction form
741,392.76/1,112,434.74 = 441,861.24/x - Step 3: Cross multiply
741,392.76x = 1,112,434.74 × 441,861.24 - Step 4: Simplify right side
741,392.76x = 491,541,793,635.48 - Step 5: Solve for x
x = 491,541,793,635.48/741,392.76 - Step 6: Final answer
x = 662,997.83
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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.