Finding the Fourth Proportional to 649,453.26, 973,815.36 and 447,286.98
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Solution
The fourth proportional to 649,453.26, 973,815.36 and 447,286.98 is: 670,679.41
Step by Step Solution
- Step 1: Write the proportion equation
649,453.26 : 973,815.36 = 447,286.98 : x - Step 2: Convert to fraction form
649,453.26/973,815.36 = 447,286.98/x - Step 3: Cross multiply
649,453.26x = 973,815.36 × 447,286.98 - Step 4: Simplify right side
649,453.26x = 435,574,931,452.01 - Step 5: Solve for x
x = 435,574,931,452.01/649,453.26 - Step 6: Final answer
x = 670,679.41
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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.