Finding the Fourth Proportional to 769,709.51, 1,062,167.74 and 425,523.53
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Solution
The fourth proportional to 769,709.51, 1,062,167.74 and 425,523.53 is: 587,205.12
Step by Step Solution
- Step 1: Write the proportion equation
769,709.51 : 1,062,167.74 = 425,523.53 : x - Step 2: Convert to fraction form
769,709.51/1,062,167.74 = 425,523.53/x - Step 3: Cross multiply
769,709.51x = 1,062,167.74 × 425,523.53 - Step 4: Simplify right side
769,709.51x = 451,977,366,176.92 - Step 5: Solve for x
x = 451,977,366,176.92/769,709.51 - Step 6: Final answer
x = 587,205.12
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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.