Finding the Fourth Proportional to 894,906.80, 1,342,486.28 and 287,491.44
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Solution
The fourth proportional to 894,906.80, 1,342,486.28 and 287,491.44 is: 431,277.66
Step by Step Solution
- Step 1: Write the proportion equation
894,906.80 : 1,342,486.28 = 287,491.44 : x - Step 2: Convert to fraction form
894,906.80/1,342,486.28 = 287,491.44/x - Step 3: Cross multiply
894,906.80x = 1,342,486.28 × 287,491.44 - Step 4: Simplify right side
894,906.80x = 385,953,313,817.44 - Step 5: Solve for x
x = 385,953,313,817.44/894,906.80 - Step 6: Final answer
x = 431,277.66
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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.