Finding the Fourth Proportional to 741,418.62, 1,023,201.81 and 419,158.70
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Solution
The fourth proportional to 741,418.62, 1,023,201.81 and 419,158.70 is: 578,463.95
Step by Step Solution
- Step 1: Write the proportion equation
741,418.62 : 1,023,201.81 = 419,158.70 : x - Step 2: Convert to fraction form
741,418.62/1,023,201.81 = 419,158.70/x - Step 3: Cross multiply
741,418.62x = 1,023,201.81 × 419,158.70 - Step 4: Simplify right side
741,418.62x = 428,883,940,517.25 - Step 5: Solve for x
x = 428,883,940,517.25/741,418.62 - Step 6: Final answer
x = 578,463.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.