Finding the Fourth Proportional to 853,693.26, 1,178,096.31 and 471,716.70
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Solution
The fourth proportional to 853,693.26, 1,178,096.31 and 471,716.70 is: 650,968.83
Step by Step Solution
- Step 1: Write the proportion equation
853,693.26 : 1,178,096.31 = 471,716.70 : x - Step 2: Convert to fraction form
853,693.26/1,178,096.31 = 471,716.70/x - Step 3: Cross multiply
853,693.26x = 1,178,096.31 × 471,716.70 - Step 4: Simplify right side
853,693.26x = 555,727,703,635.38 - Step 5: Solve for x
x = 555,727,703,635.38/853,693.26 - Step 6: Final answer
x = 650,968.83
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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.