Finding the Fourth Proportional to 757,186.02, 1,135,012.23 and 491,115.42
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Solution
The fourth proportional to 757,186.02, 1,135,012.23 and 491,115.42 is: 736,175.78
Step by Step Solution
- Step 1: Write the proportion equation
757,186.02 : 1,135,012.23 = 491,115.42 : x - Step 2: Convert to fraction form
757,186.02/1,135,012.23 = 491,115.42/x - Step 3: Cross multiply
757,186.02x = 1,135,012.23 × 491,115.42 - Step 4: Simplify right side
757,186.02x = 557,422,008,041.59 - Step 5: Solve for x
x = 557,422,008,041.59/757,186.02 - Step 6: Final answer
x = 736,175.78
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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.