Finding the Fourth Proportional to 994,489.47, 1,491,748.79 and 284,518.80
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Solution
The fourth proportional to 994,489.47, 1,491,748.79 and 284,518.80 is: 426,782.37
Step by Step Solution
- Step 1: Write the proportion equation
994,489.47 : 1,491,748.79 = 284,518.80 : x - Step 2: Convert to fraction form
994,489.47/1,491,748.79 = 284,518.80/x - Step 3: Cross multiply
994,489.47x = 1,491,748.79 × 284,518.80 - Step 4: Simplify right side
994,489.47x = 424,430,574,209.66 - Step 5: Solve for x
x = 424,430,574,209.66/994,489.47 - Step 6: Final answer
x = 426,782.37
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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.