Finding the Fourth Proportional to 663,183.20, 994,774.80 and 463,728.80
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Solution
The fourth proportional to 663,183.20, 994,774.80 and 463,728.80 is: 695,593.20
Step by Step Solution
- Step 1: Write the proportion equation
663,183.20 : 994,774.80 = 463,728.80 : x - Step 2: Convert to fraction form
663,183.20/994,774.80 = 463,728.80/x - Step 3: Cross multiply
663,183.20x = 994,774.80 × 463,728.80 - Step 4: Simplify right side
663,183.20x = 461,305,724,274.24 - Step 5: Solve for x
x = 461,305,724,274.24/663,183.20 - Step 6: Final answer
x = 695,593.20
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1.5x scale
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.