Finding the Fourth Proportional to 775,060.40, 1,160,908.05 and 374,861.95
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Solution
The fourth proportional to 775,060.40, 1,160,908.05 and 374,861.95 is: 561,479.15
Step by Step Solution
- Step 1: Write the proportion equation
775,060.40 : 1,160,908.05 = 374,861.95 : x - Step 2: Convert to fraction form
775,060.40/1,160,908.05 = 374,861.95/x - Step 3: Cross multiply
775,060.40x = 1,160,908.05 × 374,861.95 - Step 4: Simplify right side
775,060.40x = 435,180,252,491.43 - Step 5: Solve for x
x = 435,180,252,491.43/775,060.40 - Step 6: Final answer
x = 561,479.15
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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.