Finding the Fourth Proportional to 831,709.56, 1,247,380.44 and 232,509.63
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Solution
The fourth proportional to 831,709.56, 1,247,380.44 and 232,509.63 is: 348,713.03
Step by Step Solution
- Step 1: Write the proportion equation
831,709.56 : 1,247,380.44 = 232,509.63 : x - Step 2: Convert to fraction form
831,709.56/1,247,380.44 = 232,509.63/x - Step 3: Cross multiply
831,709.56x = 1,247,380.44 × 232,509.63 - Step 4: Simplify right side
831,709.56x = 290,027,964,573.64 - Step 5: Solve for x
x = 290,027,964,573.64/831,709.56 - Step 6: Final answer
x = 348,713.03
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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.