Finding the Fourth Proportional to 664,969.13, 917,657.40 and 363,163.13
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Solution
The fourth proportional to 664,969.13, 917,657.40 and 363,163.13 is: 501,165.12
Step by Step Solution
- Step 1: Write the proportion equation
664,969.13 : 917,657.40 = 363,163.13 : x - Step 2: Convert to fraction form
664,969.13/917,657.40 = 363,163.13/x - Step 3: Cross multiply
664,969.13x = 917,657.40 × 363,163.13 - Step 4: Simplify right side
664,969.13x = 333,259,329,063.38 - Step 5: Solve for x
x = 333,259,329,063.38/664,969.13 - Step 6: Final answer
x = 501,165.12
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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.