Finding the Fourth Proportional to 774,521.43, 1,162,236.85 and 325,207.74
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Solution
The fourth proportional to 774,521.43, 1,162,236.85 and 325,207.74 is: 488,002.54
Step by Step Solution
- Step 1: Write the proportion equation
774,521.43 : 1,162,236.85 = 325,207.74 : x - Step 2: Convert to fraction form
774,521.43/1,162,236.85 = 325,207.74/x - Step 3: Cross multiply
774,521.43x = 1,162,236.85 × 325,207.74 - Step 4: Simplify right side
774,521.43x = 377,968,424,707.88 - Step 5: Solve for x
x = 377,968,424,707.88/774,521.43 - Step 6: Final answer
x = 488,002.54
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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.