Finding the Fourth Proportional to 804,556.20, 1,207,037.52 and 378,012.96
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Solution
The fourth proportional to 804,556.20, 1,207,037.52 and 378,012.96 is: 567,114.92
Step by Step Solution
- Step 1: Write the proportion equation
804,556.20 : 1,207,037.52 = 378,012.96 : x - Step 2: Convert to fraction form
804,556.20/1,207,037.52 = 378,012.96/x - Step 3: Cross multiply
804,556.20x = 1,207,037.52 × 378,012.96 - Step 4: Simplify right side
804,556.20x = 456,275,825,766.26 - Step 5: Solve for x
x = 456,275,825,766.26/804,556.20 - Step 6: Final answer
x = 567,114.92
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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.