Finding the Fourth Proportional to 804,678.49, 1,207,019.36 and 299,350.27
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Solution
The fourth proportional to 804,678.49, 1,207,019.36 and 299,350.27 is: 449,026.01
Step by Step Solution
- Step 1: Write the proportion equation
804,678.49 : 1,207,019.36 = 299,350.27 : x - Step 2: Convert to fraction form
804,678.49/1,207,019.36 = 299,350.27/x - Step 3: Cross multiply
804,678.49x = 1,207,019.36 × 299,350.27 - Step 4: Simplify right side
804,678.49x = 361,321,571,311.23 - Step 5: Solve for x
x = 361,321,571,311.23/804,678.49 - Step 6: Final answer
x = 449,026.01
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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.