Finding the Fourth Proportional to 587,976.82, 811,755.84 and 370,372.03
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Solution
The fourth proportional to 587,976.82, 811,755.84 and 370,372.03 is: 511,332.50
Step by Step Solution
- Step 1: Write the proportion equation
587,976.82 : 811,755.84 = 370,372.03 : x - Step 2: Convert to fraction form
587,976.82/811,755.84 = 370,372.03/x - Step 3: Cross multiply
587,976.82x = 811,755.84 × 370,372.03 - Step 4: Simplify right side
587,976.82x = 300,651,659,546.75 - Step 5: Solve for x
x = 300,651,659,546.75/587,976.82 - Step 6: Final answer
x = 511,332.50
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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.