Finding the Fourth Proportional to 757,760.81, 1,045,635.48 and 418,207.19
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Solution
The fourth proportional to 757,760.81, 1,045,635.48 and 418,207.19 is: 577,084.84
Step by Step Solution
- Step 1: Write the proportion equation
757,760.81 : 1,045,635.48 = 418,207.19 : x - Step 2: Convert to fraction form
757,760.81/1,045,635.48 = 418,207.19/x - Step 3: Cross multiply
757,760.81x = 1,045,635.48 × 418,207.19 - Step 4: Simplify right side
757,760.81x = 437,292,270,626.92 - Step 5: Solve for x
x = 437,292,270,626.92/757,760.81 - Step 6: Final answer
x = 577,084.84
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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.