Finding the Fourth Proportional to 757,726.64, 1,136,463.24 and 277,855.28
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Solution
The fourth proportional to 757,726.64, 1,136,463.24 and 277,855.28 is: 416,736.45
Step by Step Solution
- Step 1: Write the proportion equation
757,726.64 : 1,136,463.24 = 277,855.28 : x - Step 2: Convert to fraction form
757,726.64/1,136,463.24 = 277,855.28/x - Step 3: Cross multiply
757,726.64x = 1,136,463.24 × 277,855.28 - Step 4: Simplify right side
757,726.64x = 315,772,311,759.91 - Step 5: Solve for x
x = 315,772,311,759.91/757,726.64 - Step 6: Final answer
x = 416,736.45
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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.