Finding the Fourth Proportional to 886,672.24, 1,330,195.30 and 287,586.79
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Solution
The fourth proportional to 886,672.24, 1,330,195.30 and 287,586.79 is: 431,440.81
Step by Step Solution
- Step 1: Write the proportion equation
886,672.24 : 1,330,195.30 = 287,586.79 : x - Step 2: Convert to fraction form
886,672.24/1,330,195.30 = 287,586.79/x - Step 3: Cross multiply
886,672.24x = 1,330,195.30 × 287,586.79 - Step 4: Simplify right side
886,672.24x = 382,546,592,355.63 - Step 5: Solve for x
x = 382,546,592,355.63/886,672.24 - Step 6: Final answer
x = 431,440.81
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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.