Finding the Fourth Proportional to 639,044.10, 957,837.26 and 399,268.26
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Solution
The fourth proportional to 639,044.10, 957,837.26 and 399,268.26 is: 598,446.99
Step by Step Solution
- Step 1: Write the proportion equation
639,044.10 : 957,837.26 = 399,268.26 : x - Step 2: Convert to fraction form
639,044.10/957,837.26 = 399,268.26/x - Step 3: Cross multiply
639,044.10x = 957,837.26 × 399,268.26 - Step 4: Simplify right side
639,044.10x = 382,434,016,163.37 - Step 5: Solve for x
x = 382,434,016,163.37/639,044.10 - Step 6: Final answer
x = 598,446.99
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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.