Finding the Fourth Proportional to 804,887.20, 1,207,330.80 and 486,022.60
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Solution
The fourth proportional to 804,887.20, 1,207,330.80 and 486,022.60 is: 729,033.90
Step by Step Solution
- Step 1: Write the proportion equation
804,887.20 : 1,207,330.80 = 486,022.60 : x - Step 2: Convert to fraction form
804,887.20/1,207,330.80 = 486,022.60/x - Step 3: Cross multiply
804,887.20x = 1,207,330.80 × 486,022.60 - Step 4: Simplify right side
804,887.20x = 586,790,054,476.08 - Step 5: Solve for x
x = 586,790,054,476.08/804,887.20 - Step 6: Final answer
x = 729,033.90
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Similar ratio
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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.