Finding the Fourth Proportional to 733,949.97, 1,012,852.80 and 428,236.53
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Solution
The fourth proportional to 733,949.97, 1,012,852.80 and 428,236.53 is: 590,967.49
Step by Step Solution
- Step 1: Write the proportion equation
733,949.97 : 1,012,852.80 = 428,236.53 : x - Step 2: Convert to fraction form
733,949.97/1,012,852.80 = 428,236.53/x - Step 3: Cross multiply
733,949.97x = 1,012,852.80 × 428,236.53 - Step 4: Simplify right side
733,949.97x = 433,740,568,472.78 - Step 5: Solve for x
x = 433,740,568,472.78/733,949.97 - Step 6: Final answer
x = 590,967.49
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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.