Finding the Fourth Proportional to 863,949.70, 1,192,251.09 and 481,976.48
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Solution
The fourth proportional to 863,949.70, 1,192,251.09 and 481,976.48 is: 665,127.82
Step by Step Solution
- Step 1: Write the proportion equation
863,949.70 : 1,192,251.09 = 481,976.48 : x - Step 2: Convert to fraction form
863,949.70/1,192,251.09 = 481,976.48/x - Step 3: Cross multiply
863,949.70x = 1,192,251.09 × 481,976.48 - Step 4: Simplify right side
863,949.70x = 574,636,983,634.36 - Step 5: Solve for x
x = 574,636,983,634.36/863,949.70 - Step 6: Final answer
x = 665,127.82
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1.5x scale
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.