Finding the Fourth Proportional to 683,305.76, 1,024,608.18 and 399,550.70
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Solution
The fourth proportional to 683,305.76, 1,024,608.18 and 399,550.70 is: 599,121.12
Step by Step Solution
- Step 1: Write the proportion equation
683,305.76 : 1,024,608.18 = 399,550.70 : x - Step 2: Convert to fraction form
683,305.76/1,024,608.18 = 399,550.70/x - Step 3: Cross multiply
683,305.76x = 1,024,608.18 × 399,550.70 - Step 4: Simplify right side
683,305.76x = 409,382,915,544.73 - Step 5: Solve for x
x = 409,382,915,544.73/683,305.76 - Step 6: Final answer
x = 599,121.12
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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.