Finding the Fourth Proportional to 694,473.30, 958,367.97 and 392,678.10
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Solution
The fourth proportional to 694,473.30, 958,367.97 and 392,678.10 is: 541,892.85
Step by Step Solution
- Step 1: Write the proportion equation
694,473.30 : 958,367.97 = 392,678.10 : x - Step 2: Convert to fraction form
694,473.30/958,367.97 = 392,678.10/x - Step 3: Cross multiply
694,473.30x = 958,367.97 × 392,678.10 - Step 4: Simplify right side
694,473.30x = 376,330,113,560.46 - Step 5: Solve for x
x = 376,330,113,560.46/694,473.30 - Step 6: Final answer
x = 541,892.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.