Finding the Fourth Proportional to 862,204.92, 1,189,843.12 and 499,838.84
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Solution
The fourth proportional to 862,204.92, 1,189,843.12 and 499,838.84 is: 689,777.79
Step by Step Solution
- Step 1: Write the proportion equation
862,204.92 : 1,189,843.12 = 499,838.84 : x - Step 2: Convert to fraction form
862,204.92/1,189,843.12 = 499,838.84/x - Step 3: Cross multiply
862,204.92x = 1,189,843.12 × 499,838.84 - Step 4: Simplify right side
862,204.92x = 594,729,804,882.78 - Step 5: Solve for x
x = 594,729,804,882.78/862,204.92 - Step 6: Final answer
x = 689,777.79
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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.