Finding the Fourth Proportional to 925,190.27, 1,276,375.80 and 720,886.49
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Solution
The fourth proportional to 925,190.27, 1,276,375.80 and 720,886.49 is: 994,521.99
Step by Step Solution
- Step 1: Write the proportion equation
925,190.27 : 1,276,375.80 = 720,886.49 : x - Step 2: Convert to fraction form
925,190.27/1,276,375.80 = 720,886.49/x - Step 3: Cross multiply
925,190.27x = 1,276,375.80 × 720,886.49 - Step 4: Simplify right side
925,190.27x = 920,122,070,382.94 - Step 5: Solve for x
x = 920,122,070,382.94/925,190.27 - Step 6: Final answer
x = 994,521.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.