Finding the Fourth Proportional to 821,517.14, 1,232,415.81 and 366,273.56
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Solution
The fourth proportional to 821,517.14, 1,232,415.81 and 366,273.56 is: 549,472.80
Step by Step Solution
- Step 1: Write the proportion equation
821,517.14 : 1,232,415.81 = 366,273.56 : x - Step 2: Convert to fraction form
821,517.14/1,232,415.81 = 366,273.56/x - Step 3: Cross multiply
821,517.14x = 1,232,415.81 × 366,273.56 - Step 4: Simplify right side
821,517.14x = 451,401,319,966.91 - Step 5: Solve for x
x = 451,401,319,966.91/821,517.14 - Step 6: Final answer
x = 549,472.80
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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.