Finding the Fourth Proportional to 701,276.96, 967,762.48 and 378,986.96
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Solution
The fourth proportional to 701,276.96, 967,762.48 and 378,986.96 is: 523,002.15
Step by Step Solution
- Step 1: Write the proportion equation
701,276.96 : 967,762.48 = 378,986.96 : x - Step 2: Convert to fraction form
701,276.96/967,762.48 = 378,986.96/x - Step 3: Cross multiply
701,276.96x = 967,762.48 × 378,986.96 - Step 4: Simplify right side
701,276.96x = 366,769,360,297.26 - Step 5: Solve for x
x = 366,769,360,297.26/701,276.96 - Step 6: Final answer
x = 523,002.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.