Finding the Fourth Proportional to 721,882.26, 1,082,823.40 and 223,246.26
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Solution
The fourth proportional to 721,882.26, 1,082,823.40 and 223,246.26 is: 334,869.39
Step by Step Solution
- Step 1: Write the proportion equation
721,882.26 : 1,082,823.40 = 223,246.26 : x - Step 2: Convert to fraction form
721,882.26/1,082,823.40 = 223,246.26/x - Step 3: Cross multiply
721,882.26x = 1,082,823.40 × 223,246.26 - Step 4: Simplify right side
721,882.26x = 241,736,274,290.48 - Step 5: Solve for x
x = 241,736,274,290.48/721,882.26 - Step 6: Final answer
x = 334,869.39
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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.