Finding the Fourth Proportional to 440,349.36, 608,792.70 and 325,446.80
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Solution
The fourth proportional to 440,349.36, 608,792.70 and 325,446.80 is: 449,937.37
Step by Step Solution
- Step 1: Write the proportion equation
440,349.36 : 608,792.70 = 325,446.80 : x - Step 2: Convert to fraction form
440,349.36/608,792.70 = 325,446.80/x - Step 3: Cross multiply
440,349.36x = 608,792.70 × 325,446.80 - Step 4: Simplify right side
440,349.36x = 198,129,633,034.40 - Step 5: Solve for x
x = 198,129,633,034.40/440,349.36 - Step 6: Final answer
x = 449,937.37
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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.