Finding the Fourth Proportional to 664,147.08, 916,593.66 and 406,174.95
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Solution
The fourth proportional to 664,147.08, 916,593.66 and 406,174.95 is: 560,564.66
Step by Step Solution
- Step 1: Write the proportion equation
664,147.08 : 916,593.66 = 406,174.95 : x - Step 2: Convert to fraction form
664,147.08/916,593.66 = 406,174.95/x - Step 3: Cross multiply
664,147.08x = 916,593.66 × 406,174.95 - Step 4: Simplify right side
664,147.08x = 372,297,384,020.82 - Step 5: Solve for x
x = 372,297,384,020.82/664,147.08 - Step 6: Final answer
x = 560,564.66
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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.