Finding the Fourth Proportional to 511,769.93, 768,320.11 and 393,524.31
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Solution
The fourth proportional to 511,769.93, 768,320.11 and 393,524.31 is: 590,797.98
Step by Step Solution
- Step 1: Write the proportion equation
511,769.93 : 768,320.11 = 393,524.31 : x - Step 2: Convert to fraction form
511,769.93/768,320.11 = 393,524.31/x - Step 3: Cross multiply
511,769.93x = 768,320.11 × 393,524.31 - Step 4: Simplify right side
511,769.93x = 302,352,641,146.87 - Step 5: Solve for x
x = 302,352,641,146.87/511,769.93 - Step 6: Final answer
x = 590,797.98
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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.