Finding the Fourth Proportional to 1,763.24, 2,644.56 and 464.72
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Solution
The fourth proportional to 1,763.24, 2,644.56 and 464.72 is: 697.00
Step by Step Solution
- Step 1: Write the proportion equation
1,763.24 : 2,644.56 = 464.72 : x - Step 2: Convert to fraction form
1,763.24/2,644.56 = 464.72/x - Step 3: Cross multiply
1,763.24x = 2,644.56 × 464.72 - Step 4: Simplify right side
1,763.24x = 1,228,979.92 - Step 5: Solve for x
x = 1,228,979.92/1,763.24 - Step 6: Final answer
x = 697.00
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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.