Finding the Fourth Proportional to 925,183.51, 1,276,366.49 and 720,879.74
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Solution
The fourth proportional to 925,183.51, 1,276,366.49 and 720,879.74 is: 994,512.69
Step by Step Solution
- Step 1: Write the proportion equation
925,183.51 : 1,276,366.49 = 720,879.74 : x - Step 2: Convert to fraction form
925,183.51/1,276,366.49 = 720,879.74/x - Step 3: Cross multiply
925,183.51x = 1,276,366.49 × 720,879.74 - Step 4: Simplify right side
925,183.51x = 920,106,743,455.91 - Step 5: Solve for x
x = 920,106,743,455.91/925,183.51 - Step 6: Final answer
x = 994,512.69
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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.