Finding the Fourth Proportional to 502,957.71, 694,067.67 and 276,603.21
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Solution
The fourth proportional to 502,957.71, 694,067.67 and 276,603.21 is: 381,704.75
Step by Step Solution
- Step 1: Write the proportion equation
502,957.71 : 694,067.67 = 276,603.21 : x - Step 2: Convert to fraction form
502,957.71/694,067.67 = 276,603.21/x - Step 3: Cross multiply
502,957.71x = 694,067.67 × 276,603.21 - Step 4: Simplify right side
502,957.71x = 191,981,345,479.22 - Step 5: Solve for x
x = 191,981,345,479.22/502,957.71 - Step 6: Final answer
x = 381,704.75
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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.