Finding the Fourth Proportional to 1,049.63, 1,448.48 and 583.88
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Solution
The fourth proportional to 1,049.63, 1,448.48 and 583.88 is: 805.75
Step by Step Solution
- Step 1: Write the proportion equation
1,049.63 : 1,448.48 = 583.88 : x - Step 2: Convert to fraction form
1,049.63/1,448.48 = 583.88/x - Step 3: Cross multiply
1,049.63x = 1,448.48 × 583.88 - Step 4: Simplify right side
1,049.63x = 845,732.72 - Step 5: Solve for x
x = 845,732.72/1,049.63 - Step 6: Final answer
x = 805.75
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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.