Finding the Fourth Proportional to 1,048.56, 1,446.96 and 582.84
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Solution
The fourth proportional to 1,048.56, 1,446.96 and 582.84 is: 804.29
Step by Step Solution
- Step 1: Write the proportion equation
1,048.56 : 1,446.96 = 582.84 : x - Step 2: Convert to fraction form
1,048.56/1,446.96 = 582.84/x - Step 3: Cross multiply
1,048.56x = 1,446.96 × 582.84 - Step 4: Simplify right side
1,048.56x = 843,346.17 - Step 5: Solve for x
x = 843,346.17/1,048.56 - Step 6: Final answer
x = 804.29
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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.