Finding the Fourth Proportional to 902,183.87, 1,244,994.68 and 494,265.84
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Solution
The fourth proportional to 902,183.87, 1,244,994.68 and 494,265.84 is: 682,076.42
Step by Step Solution
- Step 1: Write the proportion equation
902,183.87 : 1,244,994.68 = 494,265.84 : x - Step 2: Convert to fraction form
902,183.87/1,244,994.68 = 494,265.84/x - Step 3: Cross multiply
902,183.87x = 1,244,994.68 × 494,265.84 - Step 4: Simplify right side
902,183.87x = 615,358,338,834.40 - Step 5: Solve for x
x = 615,358,338,834.40/902,183.87 - Step 6: Final answer
x = 682,076.42
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1.5x scale
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.