Finding the Fourth Proportional to 755,993.44, 1,043,270.49 and 416,461.69
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Solution
The fourth proportional to 755,993.44, 1,043,270.49 and 416,461.69 is: 574,716.88
Step by Step Solution
- Step 1: Write the proportion equation
755,993.44 : 1,043,270.49 = 416,461.69 : x - Step 2: Convert to fraction form
755,993.44/1,043,270.49 = 416,461.69/x - Step 3: Cross multiply
755,993.44x = 1,043,270.49 × 416,461.69 - Step 4: Simplify right side
755,993.44x = 434,482,187,810.25 - Step 5: Solve for x
x = 434,482,187,810.25/755,993.44 - Step 6: Final answer
x = 574,716.88
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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.