Finding the Fourth Proportional to 673,900.26, 1,011,338.15 and 263,630.09
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Solution
The fourth proportional to 673,900.26, 1,011,338.15 and 263,630.09 is: 395,635.94
Step by Step Solution
- Step 1: Write the proportion equation
673,900.26 : 1,011,338.15 = 263,630.09 : x - Step 2: Convert to fraction form
673,900.26/1,011,338.15 = 263,630.09/x - Step 3: Cross multiply
673,900.26x = 1,011,338.15 × 263,630.09 - Step 4: Simplify right side
673,900.26x = 266,619,161,130.09 - Step 5: Solve for x
x = 266,619,161,130.09/673,900.26 - Step 6: Final answer
x = 395,635.94
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1.5x scale
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.