Finding the Fourth Proportional to 774,170.06, 1,161,197.67 and 324,872.78
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Solution
The fourth proportional to 774,170.06, 1,161,197.67 and 324,872.78 is: 487,285.07
Step by Step Solution
- Step 1: Write the proportion equation
774,170.06 : 1,161,197.67 = 324,872.78 : x - Step 2: Convert to fraction form
774,170.06/1,161,197.67 = 324,872.78/x - Step 3: Cross multiply
774,170.06x = 1,161,197.67 × 324,872.78 - Step 4: Simplify right side
774,170.06x = 377,241,510,594.71 - Step 5: Solve for x
x = 377,241,510,594.71/774,170.06 - Step 6: Final answer
x = 487,285.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.