Finding the Fourth Proportional to 748,556.92, 1,122,840.24 and 299,315.53
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Solution
The fourth proportional to 748,556.92, 1,122,840.24 and 299,315.53 is: 448,975.24
Step by Step Solution
- Step 1: Write the proportion equation
748,556.92 : 1,122,840.24 = 299,315.53 : x - Step 2: Convert to fraction form
748,556.92/1,122,840.24 = 299,315.53/x - Step 3: Cross multiply
748,556.92x = 1,122,840.24 × 299,315.53 - Step 4: Simplify right side
748,556.92x = 336,083,521,540.93 - Step 5: Solve for x
x = 336,083,521,540.93/748,556.92 - Step 6: Final answer
x = 448,975.24
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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.