Finding the Fourth Proportional to 511,775.25, 768,328.08 and 393,529.62
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Solution
The fourth proportional to 511,775.25, 768,328.08 and 393,529.62 is: 590,805.94
Step by Step Solution
- Step 1: Write the proportion equation
511,775.25 : 768,328.08 = 393,529.62 : x - Step 2: Convert to fraction form
511,775.25/768,328.08 = 393,529.62/x - Step 3: Cross multiply
511,775.25x = 768,328.08 × 393,529.62 - Step 4: Simplify right side
511,775.25x = 302,359,857,357.73 - Step 5: Solve for x
x = 302,359,857,357.73/511,775.25 - Step 6: Final answer
x = 590,805.94
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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.