Finding the Fourth Proportional to 831,716.48, 1,247,353.32 and 232,640.48
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Solution
The fourth proportional to 831,716.48, 1,247,353.32 and 232,640.48 is: 348,898.79
Step by Step Solution
- Step 1: Write the proportion equation
831,716.48 : 1,247,353.32 = 232,640.48 : x - Step 2: Convert to fraction form
831,716.48/1,247,353.32 = 232,640.48/x - Step 3: Cross multiply
831,716.48x = 1,247,353.32 × 232,640.48 - Step 4: Simplify right side
831,716.48x = 290,184,875,094.39 - Step 5: Solve for x
x = 290,184,875,094.39/831,716.48 - Step 6: Final answer
x = 348,898.79
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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.