Finding the Fourth Proportional to 733.44, 1,011.99 and 453.99
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Solution
The fourth proportional to 733.44, 1,011.99 and 453.99 is: 626.41
Step by Step Solution
- Step 1: Write the proportion equation
733.44 : 1,011.99 = 453.99 : x - Step 2: Convert to fraction form
733.44/1,011.99 = 453.99/x - Step 3: Cross multiply
733.44x = 1,011.99 × 453.99 - Step 4: Simplify right side
733.44x = 459,433.34 - Step 5: Solve for x
x = 459,433.34/733.44 - Step 6: Final answer
x = 626.41
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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.