Finding the Fourth Proportional to 830,533.22, 1,245,903.70 and 325,028.90
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Solution
The fourth proportional to 830,533.22, 1,245,903.70 and 325,028.90 is: 487,583.99
Step by Step Solution
- Step 1: Write the proportion equation
830,533.22 : 1,245,903.70 = 325,028.90 : x - Step 2: Convert to fraction form
830,533.22/1,245,903.70 = 325,028.90/x - Step 3: Cross multiply
830,533.22x = 1,245,903.70 × 325,028.90 - Step 4: Simplify right side
830,533.22x = 404,954,702,074.84 - Step 5: Solve for x
x = 404,954,702,074.84/830,533.22 - Step 6: Final answer
x = 487,583.99
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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.