Finding the Fourth Proportional to 847,371.26, 1,270,441.02 and 397,860.68
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Solution
The fourth proportional to 847,371.26, 1,270,441.02 and 397,860.68 is: 596,501.85
Step by Step Solution
- Step 1: Write the proportion equation
847,371.26 : 1,270,441.02 = 397,860.68 : x - Step 2: Convert to fraction form
847,371.26/1,270,441.02 = 397,860.68/x - Step 3: Cross multiply
847,371.26x = 1,270,441.02 × 397,860.68 - Step 4: Simplify right side
847,371.26x = 505,458,528,117.09 - Step 5: Solve for x
x = 505,458,528,117.09/847,371.26 - Step 6: Final answer
x = 596,501.85
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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.