Finding the Fourth Proportional to 480,738.99, 663,624.08 and 299,540.44
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Solution
The fourth proportional to 480,738.99, 663,624.08 and 299,540.44 is: 413,493.09
Step by Step Solution
- Step 1: Write the proportion equation
480,738.99 : 663,624.08 = 299,540.44 : x - Step 2: Convert to fraction form
480,738.99/663,624.08 = 299,540.44/x - Step 3: Cross multiply
480,738.99x = 663,624.08 × 299,540.44 - Step 4: Simplify right side
480,738.99x = 198,782,249,253.05 - Step 5: Solve for x
x = 198,782,249,253.05/480,738.99 - Step 6: Final answer
x = 413,493.09
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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.