Finding the Fourth Proportional to 765,290.99, 1,147,898.51 and 285,481.41
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Solution
The fourth proportional to 765,290.99, 1,147,898.51 and 285,481.41 is: 428,207.95
Step by Step Solution
- Step 1: Write the proportion equation
765,290.99 : 1,147,898.51 = 285,481.41 : x - Step 2: Convert to fraction form
765,290.99/1,147,898.51 = 285,481.41/x - Step 3: Cross multiply
765,290.99x = 1,147,898.51 × 285,481.41 - Step 4: Simplify right side
765,290.99x = 327,703,687,770.07 - Step 5: Solve for x
x = 327,703,687,770.07/765,290.99 - Step 6: Final answer
x = 428,207.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.