Finding the Fourth Proportional to 619,286.80, 854,694.84 and 364,661.68
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Solution
The fourth proportional to 619,286.80, 854,694.84 and 364,661.68 is: 503,279.67
Step by Step Solution
- Step 1: Write the proportion equation
619,286.80 : 854,694.84 = 364,661.68 : x - Step 2: Convert to fraction form
619,286.80/854,694.84 = 364,661.68/x - Step 3: Cross multiply
619,286.80x = 854,694.84 × 364,661.68 - Step 4: Simplify right side
619,286.80x = 311,674,456,241.73 - Step 5: Solve for x
x = 311,674,456,241.73/619,286.80 - Step 6: Final answer
x = 503,279.67
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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.