Finding the Fourth Proportional to 888,979.22, 1,226,791.23 and 481,080.99
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Solution
The fourth proportional to 888,979.22, 1,226,791.23 and 481,080.99 is: 663,891.72
Step by Step Solution
- Step 1: Write the proportion equation
888,979.22 : 1,226,791.23 = 481,080.99 : x - Step 2: Convert to fraction form
888,979.22/1,226,791.23 = 481,080.99/x - Step 3: Cross multiply
888,979.22x = 1,226,791.23 × 481,080.99 - Step 4: Simplify right side
888,979.22x = 590,185,939,451.72 - Step 5: Solve for x
x = 590,185,939,451.72/888,979.22 - Step 6: Final answer
x = 663,891.72
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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.