Finding the Fourth Proportional to 1,135,371.31, 1,703,385.70 and 336,672.08
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Solution
The fourth proportional to 1,135,371.31, 1,703,385.70 and 336,672.08 is: 505,105.59
Step by Step Solution
- Step 1: Write the proportion equation
1,135,371.31 : 1,703,385.70 = 336,672.08 : x - Step 2: Convert to fraction form
1,135,371.31/1,703,385.70 = 336,672.08/x - Step 3: Cross multiply
1,135,371.31x = 1,703,385.70 × 336,672.08 - Step 4: Simplify right side
1,135,371.31x = 573,482,397,302.65 - Step 5: Solve for x
x = 573,482,397,302.65/1,135,371.31 - Step 6: Final answer
x = 505,105.59
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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.