Finding the Fourth Proportional to 998,112.75, 1,497,598.17 and 324,400.65
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Solution
The fourth proportional to 998,112.75, 1,497,598.17 and 324,400.65 is: 486,740.42
Step by Step Solution
- Step 1: Write the proportion equation
998,112.75 : 1,497,598.17 = 324,400.65 : x - Step 2: Convert to fraction form
998,112.75/1,497,598.17 = 324,400.65/x - Step 3: Cross multiply
998,112.75x = 1,497,598.17 × 324,400.65 - Step 4: Simplify right side
998,112.75x = 485,821,819,786.81 - Step 5: Solve for x
x = 485,821,819,786.81/998,112.75 - Step 6: Final answer
x = 486,740.42
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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.