Finding the Fourth Proportional to 957,983.75, 1,437,086.79 and 318,344.57
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Solution
The fourth proportional to 957,983.75, 1,437,086.79 and 318,344.57 is: 477,553.80
Step by Step Solution
- Step 1: Write the proportion equation
957,983.75 : 1,437,086.79 = 318,344.57 : x - Step 2: Convert to fraction form
957,983.75/1,437,086.79 = 318,344.57/x - Step 3: Cross multiply
957,983.75x = 1,437,086.79 × 318,344.57 - Step 4: Simplify right side
957,983.75x = 457,488,776,215.23 - Step 5: Solve for x
x = 457,488,776,215.23/957,983.75 - Step 6: Final answer
x = 477,553.80
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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.