Finding the Fourth Proportional to 741,951.68, 1,112,148.36 and 472,286.39
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Solution
The fourth proportional to 741,951.68, 1,112,148.36 and 472,286.39 is: 707,933.61
Step by Step Solution
- Step 1: Write the proportion equation
741,951.68 : 1,112,148.36 = 472,286.39 : x - Step 2: Convert to fraction form
741,951.68/1,112,148.36 = 472,286.39/x - Step 3: Cross multiply
741,951.68x = 1,112,148.36 × 472,286.39 - Step 4: Simplify right side
741,951.68x = 525,252,528,528.08 - Step 5: Solve for x
x = 525,252,528,528.08/741,951.68 - Step 6: Final answer
x = 707,933.61
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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.