Finding the Fourth Proportional to 864,809.62, 1,297,452.24 and 415,906
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Solution
The fourth proportional to 864,809.62, 1,297,452.24 and 415,906 is: 623,973.37
Step by Step Solution
- Step 1: Write the proportion equation
864,809.62 : 1,297,452.24 = 415,906 : x - Step 2: Convert to fraction form
864,809.62/1,297,452.24 = 415,906/x - Step 3: Cross multiply
864,809.62x = 1,297,452.24 × 415,906 - Step 4: Simplify right side
864,809.62x = 539,618,171,329.44 - Step 5: Solve for x
x = 539,618,171,329.44/864,809.62 - Step 6: Final answer
x = 623,973.37
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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.