Finding the Fourth Proportional to 636,972.92, 878,922.26 and 364,988.52
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Solution
The fourth proportional to 636,972.92, 878,922.26 and 364,988.52 is: 503,626.65
Step by Step Solution
- Step 1: Write the proportion equation
636,972.92 : 878,922.26 = 364,988.52 : x - Step 2: Convert to fraction form
636,972.92/878,922.26 = 364,988.52/x - Step 3: Cross multiply
636,972.92x = 878,922.26 × 364,988.52 - Step 4: Simplify right side
636,972.92x = 320,796,534,872.46 - Step 5: Solve for x
x = 320,796,534,872.46/636,972.92 - Step 6: Final answer
x = 503,626.65
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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.