Finding the Fourth Proportional to 984,401.28, 1,476,685.29 and 274,429.99
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Solution
The fourth proportional to 984,401.28, 1,476,685.29 and 274,429.99 is: 411,668.23
Step by Step Solution
- Step 1: Write the proportion equation
984,401.28 : 1,476,685.29 = 274,429.99 : x - Step 2: Convert to fraction form
984,401.28/1,476,685.29 = 274,429.99/x - Step 3: Cross multiply
984,401.28x = 1,476,685.29 × 274,429.99 - Step 4: Simplify right side
984,401.28x = 405,246,729,367.85 - Step 5: Solve for x
x = 405,246,729,367.85/984,401.28 - Step 6: Final answer
x = 411,668.23
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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.