Finding the Fourth Proportional to 769,855.91, 1,154,195.19 and 466,183.98
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Solution
The fourth proportional to 769,855.91, 1,154,195.19 and 466,183.98 is: 698,919.50
Step by Step Solution
- Step 1: Write the proportion equation
769,855.91 : 1,154,195.19 = 466,183.98 : x - Step 2: Convert to fraction form
769,855.91/1,154,195.19 = 466,183.98/x - Step 3: Cross multiply
769,855.91x = 1,154,195.19 × 466,183.98 - Step 4: Simplify right side
769,855.91x = 538,067,307,371.06 - Step 5: Solve for x
x = 538,067,307,371.06/769,855.91 - Step 6: Final answer
x = 698,919.50
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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.