Finding the Fourth Proportional to 769,793.61, 1,062,272.12 and 425,609.49
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Solution
The fourth proportional to 769,793.61, 1,062,272.12 and 425,609.49 is: 587,317.29
Step by Step Solution
- Step 1: Write the proportion equation
769,793.61 : 1,062,272.12 = 425,609.49 : x - Step 2: Convert to fraction form
769,793.61/1,062,272.12 = 425,609.49/x - Step 3: Cross multiply
769,793.61x = 1,062,272.12 × 425,609.49 - Step 4: Simplify right side
769,793.61x = 452,113,093,106.37 - Step 5: Solve for x
x = 452,113,093,106.37/769,793.61 - Step 6: Final answer
x = 587,317.29
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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.