Finding the Fourth Proportional to 748,232.10, 1,122,790.68 and 275,249.34
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Solution
The fourth proportional to 748,232.10, 1,122,790.68 and 275,249.34 is: 413,036.80
Step by Step Solution
- Step 1: Write the proportion equation
748,232.10 : 1,122,790.68 = 275,249.34 : x - Step 2: Convert to fraction form
748,232.10/1,122,790.68 = 275,249.34/x - Step 3: Cross multiply
748,232.10x = 1,122,790.68 × 275,249.34 - Step 4: Simplify right side
748,232.10x = 309,047,393,628.15 - Step 5: Solve for x
x = 309,047,393,628.15/748,232.10 - Step 6: Final answer
x = 413,036.80
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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.