Finding the Fourth Proportional to 625,183.56, 862,754.21 and 338,703.63
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Solution
The fourth proportional to 625,183.56, 862,754.21 and 338,703.63 is: 467,411.49
Step by Step Solution
- Step 1: Write the proportion equation
625,183.56 : 862,754.21 = 338,703.63 : x - Step 2: Convert to fraction form
625,183.56/862,754.21 = 338,703.63/x - Step 3: Cross multiply
625,183.56x = 862,754.21 × 338,703.63 - Step 4: Simplify right side
625,183.56x = 292,217,981,031.26 - Step 5: Solve for x
x = 292,217,981,031.26/625,183.56 - Step 6: Final answer
x = 467,411.49
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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.