Finding the Fourth Proportional to 799,416.27, 1,103,197.21 and 436,840.13
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Solution
The fourth proportional to 799,416.27, 1,103,197.21 and 436,840.13 is: 602,840.89
Step by Step Solution
- Step 1: Write the proportion equation
799,416.27 : 1,103,197.21 = 436,840.13 : x - Step 2: Convert to fraction form
799,416.27/1,103,197.21 = 436,840.13/x - Step 3: Cross multiply
799,416.27x = 1,103,197.21 × 436,840.13 - Step 4: Simplify right side
799,416.27x = 481,920,814,297.93 - Step 5: Solve for x
x = 481,920,814,297.93/799,416.27 - Step 6: Final answer
x = 602,840.89
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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.