Finding the Fourth Proportional to 754,114.09, 1,040,684.21 and 409,950.68
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Solution
The fourth proportional to 754,114.09, 1,040,684.21 and 409,950.68 is: 565,735.62
Step by Step Solution
- Step 1: Write the proportion equation
754,114.09 : 1,040,684.21 = 409,950.68 : x - Step 2: Convert to fraction form
754,114.09/1,040,684.21 = 409,950.68/x - Step 3: Cross multiply
754,114.09x = 1,040,684.21 × 409,950.68 - Step 4: Simplify right side
754,114.09x = 426,629,199,554.76 - Step 5: Solve for x
x = 426,629,199,554.76/754,114.09 - Step 6: Final answer
x = 565,735.62
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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.