Finding the Fourth Proportional to 810,055.69, 1,213,752.18 and 277,286.09
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Solution
The fourth proportional to 810,055.69, 1,213,752.18 and 277,286.09 is: 415,473.40
Step by Step Solution
- Step 1: Write the proportion equation
810,055.69 : 1,213,752.18 = 277,286.09 : x - Step 2: Convert to fraction form
810,055.69/1,213,752.18 = 277,286.09/x - Step 3: Cross multiply
810,055.69x = 1,213,752.18 × 277,286.09 - Step 4: Simplify right side
810,055.69x = 336,556,590,152.42 - Step 5: Solve for x
x = 336,556,590,152.42/810,055.69 - Step 6: Final answer
x = 415,473.40
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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.