Finding the Fourth Proportional to 574,869.44, 793,344.36 and 320,220.80
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Solution
The fourth proportional to 574,869.44, 793,344.36 and 320,220.80 is: 441,918.37
Step by Step Solution
- Step 1: Write the proportion equation
574,869.44 : 793,344.36 = 320,220.80 : x - Step 2: Convert to fraction form
574,869.44/793,344.36 = 320,220.80/x - Step 3: Cross multiply
574,869.44x = 793,344.36 × 320,220.80 - Step 4: Simplify right side
574,869.44x = 254,045,365,634.69 - Step 5: Solve for x
x = 254,045,365,634.69/574,869.44 - Step 6: Final answer
x = 441,918.37
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1.5x scale
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.