Finding the Fourth Proportional to 774,684.08, 1,162,093.05 and 213,718.58
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Solution
The fourth proportional to 774,684.08, 1,162,093.05 and 213,718.58 is: 320,596.33
Step by Step Solution
- Step 1: Write the proportion equation
774,684.08 : 1,162,093.05 = 213,718.58 : x - Step 2: Convert to fraction form
774,684.08/1,162,093.05 = 213,718.58/x - Step 3: Cross multiply
774,684.08x = 1,162,093.05 × 213,718.58 - Step 4: Simplify right side
774,684.08x = 248,360,870,663.40 - Step 5: Solve for x
x = 248,360,870,663.40/774,684.08 - Step 6: Final answer
x = 320,596.33
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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.