Finding the Fourth Proportional to 636,680.26, 878,601.48 and 361,088.68
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Solution
The fourth proportional to 636,680.26, 878,601.48 and 361,088.68 is: 498,292.58
Step by Step Solution
- Step 1: Write the proportion equation
636,680.26 : 878,601.48 = 361,088.68 : x - Step 2: Convert to fraction form
636,680.26/878,601.48 = 361,088.68/x - Step 3: Cross multiply
636,680.26x = 878,601.48 × 361,088.68 - Step 4: Simplify right side
636,680.26x = 317,253,048,659.25 - Step 5: Solve for x
x = 317,253,048,659.25/636,680.26 - Step 6: Final answer
x = 498,292.58
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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.