Finding the Fourth Proportional to 901,082.44, 1,243,443.12 and 493,183.42
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Solution
The fourth proportional to 901,082.44, 1,243,443.12 and 493,183.42 is: 680,565.40
Step by Step Solution
- Step 1: Write the proportion equation
901,082.44 : 1,243,443.12 = 493,183.42 : x - Step 2: Convert to fraction form
901,082.44/1,243,443.12 = 493,183.42/x - Step 3: Cross multiply
901,082.44x = 1,243,443.12 × 493,183.42 - Step 4: Simplify right side
901,082.44x = 613,245,530,497.07 - Step 5: Solve for x
x = 613,245,530,497.07/901,082.44 - Step 6: Final answer
x = 680,565.40
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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.