Finding the Fourth Proportional to 560,523.80, 773,539.18 and 305,891.39
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Solution
The fourth proportional to 560,523.80, 773,539.18 and 305,891.39 is: 422,139.03
Step by Step Solution
- Step 1: Write the proportion equation
560,523.80 : 773,539.18 = 305,891.39 : x - Step 2: Convert to fraction form
560,523.80/773,539.18 = 305,891.39/x - Step 3: Cross multiply
560,523.80x = 773,539.18 × 305,891.39 - Step 4: Simplify right side
560,523.80x = 236,618,970,357.24 - Step 5: Solve for x
x = 236,618,970,357.24/560,523.80 - Step 6: Final answer
x = 422,139.03
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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.