Finding the Fourth Proportional to 1,486.24, 2,229.60 and 460
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Solution
The fourth proportional to 1,486.24, 2,229.60 and 460 is: 690.07
Step by Step Solution
- Step 1: Write the proportion equation
1,486.24 : 2,229.60 = 460 : x - Step 2: Convert to fraction form
1,486.24/2,229.60 = 460/x - Step 3: Cross multiply
1,486.24x = 2,229.60 × 460 - Step 4: Simplify right side
1,486.24x = 1,025,616 - Step 5: Solve for x
x = 1,025,616/1,486.24 - Step 6: Final answer
x = 690.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.