Finding the Fourth Proportional to 1,008,419.26, 1,391,600.73 and 549,537.94
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Solution
The fourth proportional to 1,008,419.26, 1,391,600.73 and 549,537.94 is: 758,352.63
Step by Step Solution
- Step 1: Write the proportion equation
1,008,419.26 : 1,391,600.73 = 549,537.94 : x - Step 2: Convert to fraction form
1,008,419.26/1,391,600.73 = 549,537.94/x - Step 3: Cross multiply
1,008,419.26x = 1,391,600.73 × 549,537.94 - Step 4: Simplify right side
1,008,419.26x = 764,737,398,466.70 - Step 5: Solve for x
x = 764,737,398,466.70/1,008,419.26 - Step 6: Final answer
x = 758,352.63
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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.