Finding the Fourth Proportional to 1,008,406.26, 1,391,582.79 and 549,524.94
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Solution
The fourth proportional to 1,008,406.26, 1,391,582.79 and 549,524.94 is: 758,334.69
Step by Step Solution
- Step 1: Write the proportion equation
1,008,406.26 : 1,391,582.79 = 549,524.94 : x - Step 2: Convert to fraction form
1,008,406.26/1,391,582.79 = 549,524.94/x - Step 3: Cross multiply
1,008,406.26x = 1,391,582.79 × 549,524.94 - Step 4: Simplify right side
1,008,406.26x = 764,709,449,179.78 - Step 5: Solve for x
x = 764,709,449,179.78/1,008,406.26 - Step 6: Final answer
x = 758,334.69
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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.