Finding the Fourth Proportional to 942,668.79, 1,414,224.59 and 311,582.54
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Solution
The fourth proportional to 942,668.79, 1,414,224.59 and 311,582.54 is: 467,446.99
Step by Step Solution
- Step 1: Write the proportion equation
942,668.79 : 1,414,224.59 = 311,582.54 : x - Step 2: Convert to fraction form
942,668.79/1,414,224.59 = 311,582.54/x - Step 3: Cross multiply
942,668.79x = 1,414,224.59 × 311,582.54 - Step 4: Simplify right side
942,668.79x = 440,647,689,882.66 - Step 5: Solve for x
x = 440,647,689,882.66/942,668.79 - Step 6: Final answer
x = 467,446.99
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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.