Finding the Fourth Proportional to 851,287.68, 1,276,923.84 and 325,975.68
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Solution
The fourth proportional to 851,287.68, 1,276,923.84 and 325,975.68 is: 488,960.58
Step by Step Solution
- Step 1: Write the proportion equation
851,287.68 : 1,276,923.84 = 325,975.68 : x - Step 2: Convert to fraction form
851,287.68/1,276,923.84 = 325,975.68/x - Step 3: Cross multiply
851,287.68x = 1,276,923.84 × 325,975.68 - Step 4: Simplify right side
851,287.68x = 416,246,117,052.21 - Step 5: Solve for x
x = 416,246,117,052.21/851,287.68 - Step 6: Final answer
x = 488,960.58
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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.