Finding the Fourth Proportional to 774,699.99, 1,162,116.99 and 213,734.49
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Solution
The fourth proportional to 774,699.99, 1,162,116.99 and 213,734.49 is: 320,620.22
Step by Step Solution
- Step 1: Write the proportion equation
774,699.99 : 1,162,116.99 = 213,734.49 : x - Step 2: Convert to fraction form
774,699.99/1,162,116.99 = 213,734.49/x - Step 3: Cross multiply
774,699.99x = 1,162,116.99 × 213,734.49 - Step 4: Simplify right side
774,699.99x = 248,384,482,177.99 - Step 5: Solve for x
x = 248,384,482,177.99/774,699.99 - Step 6: Final answer
x = 320,620.22
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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.