Finding the Fourth Proportional to 821,511.14, 1,232,406.81 and 366,267.56
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Solution
The fourth proportional to 821,511.14, 1,232,406.81 and 366,267.56 is: 549,463.80
Step by Step Solution
- Step 1: Write the proportion equation
821,511.14 : 1,232,406.81 = 366,267.56 : x - Step 2: Convert to fraction form
821,511.14/1,232,406.81 = 366,267.56/x - Step 3: Cross multiply
821,511.14x = 1,232,406.81 × 366,267.56 - Step 4: Simplify right side
821,511.14x = 451,390,629,064.05 - Step 5: Solve for x
x = 451,390,629,064.05/821,511.14 - Step 6: Final answer
x = 549,463.80
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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.