Finding the Fourth Proportional to 734,412.42, 1,100,732.74 and 379,232.82
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Solution
The fourth proportional to 734,412.42, 1,100,732.74 and 379,232.82 is: 568,391.78
Step by Step Solution
- Step 1: Write the proportion equation
734,412.42 : 1,100,732.74 = 379,232.82 : x - Step 2: Convert to fraction form
734,412.42/1,100,732.74 = 379,232.82/x - Step 3: Cross multiply
734,412.42x = 1,100,732.74 × 379,232.82 - Step 4: Simplify right side
734,412.42x = 417,433,981,056.53 - Step 5: Solve for x
x = 417,433,981,056.53/734,412.42 - Step 6: Final answer
x = 568,391.78
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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.