Finding the Fourth Proportional to 862,805.60, 1,294,211.68 and 263,764.48
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Solution
The fourth proportional to 862,805.60, 1,294,211.68 and 263,764.48 is: 395,647.72
Step by Step Solution
- Step 1: Write the proportion equation
862,805.60 : 1,294,211.68 = 263,764.48 : x - Step 2: Convert to fraction form
862,805.60/1,294,211.68 = 263,764.48/x - Step 3: Cross multiply
862,805.60x = 1,294,211.68 × 263,764.48 - Step 4: Simplify right side
862,805.60x = 341,367,070,785.13 - Step 5: Solve for x
x = 341,367,070,785.13/862,805.60 - Step 6: Final answer
x = 395,647.72
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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.