Finding the Fourth Proportional to 754,584.75, 1,040,983.44 and 448,487.19
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Solution
The fourth proportional to 754,584.75, 1,040,983.44 and 448,487.19 is: 618,708.15
Step by Step Solution
- Step 1: Write the proportion equation
754,584.75 : 1,040,983.44 = 448,487.19 : x - Step 2: Convert to fraction form
754,584.75/1,040,983.44 = 448,487.19/x - Step 3: Cross multiply
754,584.75x = 1,040,983.44 × 448,487.19 - Step 4: Simplify right side
754,584.75x = 466,867,737,842.13 - Step 5: Solve for x
x = 466,867,737,842.13/754,584.75 - Step 6: Final answer
x = 618,708.15
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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.