Finding the Fourth Proportional to 755,856.42, 1,043,081.76 and 416,324.67
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Solution
The fourth proportional to 755,856.42, 1,043,081.76 and 416,324.67 is: 574,527.99
Step by Step Solution
- Step 1: Write the proportion equation
755,856.42 : 1,043,081.76 = 416,324.67 : x - Step 2: Convert to fraction form
755,856.42/1,043,081.76 = 416,324.67/x - Step 3: Cross multiply
755,856.42x = 1,043,081.76 × 416,324.67 - Step 4: Simplify right side
755,856.42x = 434,260,669,515.02 - Step 5: Solve for x
x = 434,260,669,515.02/755,856.42 - Step 6: Final answer
x = 574,527.99
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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.