Finding the Fourth Proportional to 612,261.74, 844,863.20 and 340,297.34
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Solution
The fourth proportional to 612,261.74, 844,863.20 and 340,297.34 is: 469,578.09
Step by Step Solution
- Step 1: Write the proportion equation
612,261.74 : 844,863.20 = 340,297.34 : x - Step 2: Convert to fraction form
612,261.74/844,863.20 = 340,297.34/x - Step 3: Cross multiply
612,261.74x = 844,863.20 × 340,297.34 - Step 4: Simplify right side
612,261.74x = 287,504,699,623.89 - Step 5: Solve for x
x = 287,504,699,623.89/612,261.74 - Step 6: Final answer
x = 469,578.09
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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.