Finding the Fourth Proportional to 842,324.60, 1,263,553.14 and 281,361.08
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Solution
The fourth proportional to 842,324.60, 1,263,553.14 and 281,361.08 is: 422,063.75
Step by Step Solution
- Step 1: Write the proportion equation
842,324.60 : 1,263,553.14 = 281,361.08 : x - Step 2: Convert to fraction form
842,324.60/1,263,553.14 = 281,361.08/x - Step 3: Cross multiply
842,324.60x = 1,263,553.14 × 281,361.08 - Step 4: Simplify right side
842,324.60x = 355,514,676,107.79 - Step 5: Solve for x
x = 355,514,676,107.79/842,324.60 - Step 6: Final answer
x = 422,063.75
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1.5x scale
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.