Finding the Fourth Proportional to 818,403.44, 1,129,351.86 and 450,808.52
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Solution
The fourth proportional to 818,403.44, 1,129,351.86 and 450,808.52 is: 622,091.03
Step by Step Solution
- Step 1: Write the proportion equation
818,403.44 : 1,129,351.86 = 450,808.52 : x - Step 2: Convert to fraction form
818,403.44/1,129,351.86 = 450,808.52/x - Step 3: Cross multiply
818,403.44x = 1,129,351.86 × 450,808.52 - Step 4: Simplify right side
818,403.44x = 509,121,434,919.09 - Step 5: Solve for x
x = 509,121,434,919.09/818,403.44 - Step 6: Final answer
x = 622,091.03
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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.