Finding the Fourth Proportional to 998,541.80, 1,497,812.70 and 324,621.80
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Solution
The fourth proportional to 998,541.80, 1,497,812.70 and 324,621.80 is: 486,932.70
Step by Step Solution
- Step 1: Write the proportion equation
998,541.80 : 1,497,812.70 = 324,621.80 : x - Step 2: Convert to fraction form
998,541.80/1,497,812.70 = 324,621.80/x - Step 3: Cross multiply
998,541.80x = 1,497,812.70 × 324,621.80 - Step 4: Simplify right side
998,541.80x = 486,222,654,736.86 - Step 5: Solve for x
x = 486,222,654,736.86/998,541.80 - Step 6: Final answer
x = 486,932.70
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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.