Finding the Fourth Proportional to 586,234.20, 879,351.30 and 349,843.80
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Solution
The fourth proportional to 586,234.20, 879,351.30 and 349,843.80 is: 524,765.70
Step by Step Solution
- Step 1: Write the proportion equation
586,234.20 : 879,351.30 = 349,843.80 : x - Step 2: Convert to fraction form
586,234.20/879,351.30 = 349,843.80/x - Step 3: Cross multiply
586,234.20x = 879,351.30 × 349,843.80 - Step 4: Simplify right side
586,234.20x = 307,635,600,326.94 - Step 5: Solve for x
x = 307,635,600,326.94/586,234.20 - Step 6: Final answer
x = 524,765.70
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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.