Finding the Fourth Proportional to 522,018.24, 720,365.92 and 283,549.12
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Solution
The fourth proportional to 522,018.24, 720,365.92 and 283,549.12 is: 391,287.33
Step by Step Solution
- Step 1: Write the proportion equation
522,018.24 : 720,365.92 = 283,549.12 : x - Step 2: Convert to fraction form
522,018.24/720,365.92 = 283,549.12/x - Step 3: Cross multiply
522,018.24x = 720,365.92 × 283,549.12 - Step 4: Simplify right side
522,018.24x = 204,259,122,693.99 - Step 5: Solve for x
x = 204,259,122,693.99/522,018.24 - Step 6: Final answer
x = 391,287.33
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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.