Finding the Fourth Proportional to 463,570.18, 639,704.73 and 284,687.62
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Solution
The fourth proportional to 463,570.18, 639,704.73 and 284,687.62 is: 392,855.33
Step by Step Solution
- Step 1: Write the proportion equation
463,570.18 : 639,704.73 = 284,687.62 : x - Step 2: Convert to fraction form
463,570.18/639,704.73 = 284,687.62/x - Step 3: Cross multiply
463,570.18x = 639,704.73 × 284,687.62 - Step 4: Simplify right side
463,570.18x = 182,116,017,086.44 - Step 5: Solve for x
x = 182,116,017,086.44/463,570.18 - Step 6: Final answer
x = 392,855.33
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1.5x scale
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.