Finding the Fourth Proportional to 863,810.20, 1,192,049.94 and 476,629.12
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Solution
The fourth proportional to 863,810.20, 1,192,049.94 and 476,629.12 is: 657,743.70
Step by Step Solution
- Step 1: Write the proportion equation
863,810.20 : 1,192,049.94 = 476,629.12 : x - Step 2: Convert to fraction form
863,810.20/1,192,049.94 = 476,629.12/x - Step 3: Cross multiply
863,810.20x = 1,192,049.94 × 476,629.12 - Step 4: Simplify right side
863,810.20x = 568,165,713,898.25 - Step 5: Solve for x
x = 568,165,713,898.25/863,810.20 - Step 6: Final answer
x = 657,743.70
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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.