Finding the Fourth Proportional to 843,826.51, 1,265,227.19 and 330,877.09
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Solution
The fourth proportional to 843,826.51, 1,265,227.19 and 330,877.09 is: 496,114.64
Step by Step Solution
- Step 1: Write the proportion equation
843,826.51 : 1,265,227.19 = 330,877.09 : x - Step 2: Convert to fraction form
843,826.51/1,265,227.19 = 330,877.09/x - Step 3: Cross multiply
843,826.51x = 1,265,227.19 × 330,877.09 - Step 4: Simplify right side
843,826.51x = 418,634,685,998.62 - Step 5: Solve for x
x = 418,634,685,998.62/843,826.51 - Step 6: Final answer
x = 496,114.64
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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.