Finding the Fourth Proportional to 757,049.48, 1,135,877.16 and 307,804.88
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Solution
The fourth proportional to 757,049.48, 1,135,877.16 and 307,804.88 is: 461,830.49
Step by Step Solution
- Step 1: Write the proportion equation
757,049.48 : 1,135,877.16 = 307,804.88 : x - Step 2: Convert to fraction form
757,049.48/1,135,877.16 = 307,804.88/x - Step 3: Cross multiply
757,049.48x = 1,135,877.16 × 307,804.88 - Step 4: Simplify right side
757,049.48x = 349,628,532,928.54 - Step 5: Solve for x
x = 349,628,532,928.54/757,049.48 - Step 6: Final answer
x = 461,830.49
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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.