Finding the Fourth Proportional to 799,737.21, 1,199,605.79 and 267,258.23
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Solution
The fourth proportional to 799,737.21, 1,199,605.79 and 267,258.23 is: 400,887.33
Step by Step Solution
- Step 1: Write the proportion equation
799,737.21 : 1,199,605.79 = 267,258.23 : x - Step 2: Convert to fraction form
799,737.21/1,199,605.79 = 267,258.23/x - Step 3: Cross multiply
799,737.21x = 1,199,605.79 × 267,258.23 - Step 4: Simplify right side
799,737.21x = 320,604,514,135.12 - Step 5: Solve for x
x = 320,604,514,135.12/799,737.21 - Step 6: Final answer
x = 400,887.33
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1.5x scale
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.