Finding the Fourth Proportional to 649,121.44, 971,313.84 and 383,009.44
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Solution
The fourth proportional to 649,121.44, 971,313.84 and 383,009.44 is: 573,116.75
Step by Step Solution
- Step 1: Write the proportion equation
649,121.44 : 971,313.84 = 383,009.44 : x - Step 2: Convert to fraction form
649,121.44/971,313.84 = 383,009.44/x - Step 3: Cross multiply
649,121.44x = 971,313.84 × 383,009.44 - Step 4: Simplify right side
649,121.44x = 372,022,369,922.65 - Step 5: Solve for x
x = 372,022,369,922.65/649,121.44 - Step 6: Final answer
x = 573,116.75
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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.