Finding the Fourth Proportional to 480,703.47, 663,453.99 and 289,717.02
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Solution
The fourth proportional to 480,703.47, 663,453.99 and 289,717.02 is: 399,859.63
Step by Step Solution
- Step 1: Write the proportion equation
480,703.47 : 663,453.99 = 289,717.02 : x - Step 2: Convert to fraction form
480,703.47/663,453.99 = 289,717.02/x - Step 3: Cross multiply
480,703.47x = 663,453.99 × 289,717.02 - Step 4: Simplify right side
480,703.47x = 192,213,912,889.91 - Step 5: Solve for x
x = 192,213,912,889.91/480,703.47 - Step 6: Final answer
x = 399,859.63
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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.