Finding the Fourth Proportional to 1,008,481.26, 1,391,704.36 and 549,595.94
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Solution
The fourth proportional to 1,008,481.26, 1,391,704.36 and 549,595.94 is: 758,442.52
Step by Step Solution
- Step 1: Write the proportion equation
1,008,481.26 : 1,391,704.36 = 549,595.94 : x - Step 2: Convert to fraction form
1,008,481.26/1,391,704.36 = 549,595.94/x - Step 3: Cross multiply
1,008,481.26x = 1,391,704.36 × 549,595.94 - Step 4: Simplify right side
1,008,481.26x = 764,875,065,936.30 - Step 5: Solve for x
x = 764,875,065,936.30/1,008,481.26 - Step 6: Final answer
x = 758,442.52
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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.