Finding the Fourth Proportional to 512,083.80, 768,125.70 and 335,136.60
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Solution
The fourth proportional to 512,083.80, 768,125.70 and 335,136.60 is: 502,704.90
Step by Step Solution
- Step 1: Write the proportion equation
512,083.80 : 768,125.70 = 335,136.60 : x - Step 2: Convert to fraction form
512,083.80/768,125.70 = 335,136.60/x - Step 3: Cross multiply
512,083.80x = 768,125.70 × 335,136.60 - Step 4: Simplify right side
512,083.80x = 257,427,035,470.62 - Step 5: Solve for x
x = 257,427,035,470.62/512,083.80 - Step 6: Final answer
x = 502,704.90
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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.