Finding the Fourth Proportional to 987,491.77, 1,481,665.49 and 348,252.29
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Solution
The fourth proportional to 987,491.77, 1,481,665.49 and 348,252.29 is: 522,529.32
Step by Step Solution
- Step 1: Write the proportion equation
987,491.77 : 1,481,665.49 = 348,252.29 : x - Step 2: Convert to fraction form
987,491.77/1,481,665.49 = 348,252.29/x - Step 3: Cross multiply
987,491.77x = 1,481,665.49 × 348,252.29 - Step 4: Simplify right side
987,491.77x = 515,993,397,619.08 - Step 5: Solve for x
x = 515,993,397,619.08/987,491.77 - Step 6: Final answer
x = 522,529.32
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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.