Finding the Fourth Proportional to 755,646.75, 1,133,912.97 and 542,184.60
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Solution
The fourth proportional to 755,646.75, 1,133,912.97 and 542,184.60 is: 813,594.65
Step by Step Solution
- Step 1: Write the proportion equation
755,646.75 : 1,133,912.97 = 542,184.60 : x - Step 2: Convert to fraction form
755,646.75/1,133,912.97 = 542,184.60/x - Step 3: Cross multiply
755,646.75x = 1,133,912.97 × 542,184.60 - Step 4: Simplify right side
755,646.75x = 614,790,150,074.26 - Step 5: Solve for x
x = 614,790,150,074.26/755,646.75 - Step 6: Final answer
x = 813,594.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.