Finding the Fourth Proportional to 996,419.70, 1,494,629.55 and 248,465.70
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Solution
The fourth proportional to 996,419.70, 1,494,629.55 and 248,465.70 is: 372,698.55
Step by Step Solution
- Step 1: Write the proportion equation
996,419.70 : 1,494,629.55 = 248,465.70 : x - Step 2: Convert to fraction form
996,419.70/1,494,629.55 = 248,465.70/x - Step 3: Cross multiply
996,419.70x = 1,494,629.55 × 248,465.70 - Step 4: Simplify right side
996,419.70x = 371,364,177,381.44 - Step 5: Solve for x
x = 371,364,177,381.44/996,419.70 - Step 6: Final answer
x = 372,698.55
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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.