Finding the Fourth Proportional to 862,082.93, 1,189,674.24 and 499,717.08
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Solution
The fourth proportional to 862,082.93, 1,189,674.24 and 499,717.08 is: 689,609.45
Step by Step Solution
- Step 1: Write the proportion equation
862,082.93 : 1,189,674.24 = 499,717.08 : x - Step 2: Convert to fraction form
862,082.93/1,189,674.24 = 499,717.08/x - Step 3: Cross multiply
862,082.93x = 1,189,674.24 × 499,717.08 - Step 4: Simplify right side
862,082.93x = 594,500,535,490.08 - Step 5: Solve for x
x = 594,500,535,490.08/862,082.93 - Step 6: Final answer
x = 689,609.45
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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.