Finding the Fourth Proportional to 803,299.08, 1,204,107.88 and 270,636.08
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Solution
The fourth proportional to 803,299.08, 1,204,107.88 and 270,636.08 is: 405,670.87
Step by Step Solution
- Step 1: Write the proportion equation
803,299.08 : 1,204,107.88 = 270,636.08 : x - Step 2: Convert to fraction form
803,299.08/1,204,107.88 = 270,636.08/x - Step 3: Cross multiply
803,299.08x = 1,204,107.88 × 270,636.08 - Step 4: Simplify right side
803,299.08x = 325,875,036,540.31 - Step 5: Solve for x
x = 325,875,036,540.31/803,299.08 - Step 6: Final answer
x = 405,670.87
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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.