Finding the Fourth Proportional to 799,614.24, 1,198,830.60 and 378,396.96
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Solution
The fourth proportional to 799,614.24, 1,198,830.60 and 378,396.96 is: 567,315.88
Step by Step Solution
- Step 1: Write the proportion equation
799,614.24 : 1,198,830.60 = 378,396.96 : x - Step 2: Convert to fraction form
799,614.24/1,198,830.60 = 378,396.96/x - Step 3: Cross multiply
799,614.24x = 1,198,830.60 × 378,396.96 - Step 4: Simplify right side
799,614.24x = 453,633,854,594.98 - Step 5: Solve for x
x = 453,633,854,594.98/799,614.24 - Step 6: Final answer
x = 567,315.88
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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.