Finding the Fourth Proportional to 757,721.64, 1,136,455.74 and 277,850.28
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Solution
The fourth proportional to 757,721.64, 1,136,455.74 and 277,850.28 is: 416,728.95
Step by Step Solution
- Step 1: Write the proportion equation
757,721.64 : 1,136,455.74 = 277,850.28 : x - Step 2: Convert to fraction form
757,721.64/1,136,455.74 = 277,850.28/x - Step 3: Cross multiply
757,721.64x = 1,136,455.74 × 277,850.28 - Step 4: Simplify right side
757,721.64x = 315,764,545,566.61 - Step 5: Solve for x
x = 315,764,545,566.61/757,721.64 - Step 6: Final answer
x = 416,728.95
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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.