Finding the Fourth Proportional to 866,144.26, 1,195,286.81 and 478,985.88
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Solution
The fourth proportional to 866,144.26, 1,195,286.81 and 478,985.88 is: 661,004.79
Step by Step Solution
- Step 1: Write the proportion equation
866,144.26 : 1,195,286.81 = 478,985.88 : x - Step 2: Convert to fraction form
866,144.26/1,195,286.81 = 478,985.88/x - Step 3: Cross multiply
866,144.26x = 1,195,286.81 × 478,985.88 - Step 4: Simplify right side
866,144.26x = 572,525,504,540.24 - Step 5: Solve for x
x = 572,525,504,540.24/866,144.26 - Step 6: Final answer
x = 661,004.79
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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.