Finding the Fourth Proportional to 815,988.16, 1,125,741 and 471,760.84
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Solution
The fourth proportional to 815,988.16, 1,125,741 and 471,760.84 is: 650,843.41
Step by Step Solution
- Step 1: Write the proportion equation
815,988.16 : 1,125,741 = 471,760.84 : x - Step 2: Convert to fraction form
815,988.16/1,125,741 = 471,760.84/x - Step 3: Cross multiply
815,988.16x = 1,125,741 × 471,760.84 - Step 4: Simplify right side
815,988.16x = 531,080,519,782.44 - Step 5: Solve for x
x = 531,080,519,782.44/815,988.16 - Step 6: Final answer
x = 650,843.41
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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.