Finding the Fourth Proportional to 804,338.49, 1,206,239.83 and 324,442.35
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Solution
The fourth proportional to 804,338.49, 1,206,239.83 and 324,442.35 is: 486,555.46
Step by Step Solution
- Step 1: Write the proportion equation
804,338.49 : 1,206,239.83 = 324,442.35 : x - Step 2: Convert to fraction form
804,338.49/1,206,239.83 = 324,442.35/x - Step 3: Cross multiply
804,338.49x = 1,206,239.83 × 324,442.35 - Step 4: Simplify right side
804,338.49x = 391,355,287,313.29 - Step 5: Solve for x
x = 391,355,287,313.29/804,338.49 - Step 6: Final answer
x = 486,555.46
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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.