Finding the Fourth Proportional to 754,928.41, 1,132,042.68 and 281,486.65
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Solution
The fourth proportional to 754,928.41, 1,132,042.68 and 281,486.65 is: 422,099.50
Step by Step Solution
- Step 1: Write the proportion equation
754,928.41 : 1,132,042.68 = 281,486.65 : x - Step 2: Convert to fraction form
754,928.41/1,132,042.68 = 281,486.65/x - Step 3: Cross multiply
754,928.41x = 1,132,042.68 × 281,486.65 - Step 4: Simplify right side
754,928.41x = 318,654,901,650.22 - Step 5: Solve for x
x = 318,654,901,650.22/754,928.41 - Step 6: Final answer
x = 422,099.50
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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.