Finding the Fourth Proportional to 446,721.70, 624,010.70 and 446,721.70
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Solution
The fourth proportional to 446,721.70, 624,010.70 and 446,721.70 is: 624,010.70
Step by Step Solution
- Step 1: Write the proportion equation
446,721.70 : 624,010.70 = 446,721.70 : x - Step 2: Convert to fraction form
446,721.70/624,010.70 = 446,721.70/x - Step 3: Cross multiply
446,721.70x = 624,010.70 × 446,721.70 - Step 4: Simplify right side
446,721.70x = 278,759,120,722.19 - Step 5: Solve for x
x = 278,759,120,722.19/446,721.70 - Step 6: Final answer
x = 624,010.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.