Finding the Fourth Proportional to 799,747.79, 1,199,621.68 and 267,268.82
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Solution
The fourth proportional to 799,747.79, 1,199,621.68 and 267,268.82 is: 400,903.23
Step by Step Solution
- Step 1: Write the proportion equation
799,747.79 : 1,199,621.68 = 267,268.82 : x - Step 2: Convert to fraction form
799,747.79/1,199,621.68 = 267,268.82/x - Step 3: Cross multiply
799,747.79x = 1,199,621.68 × 267,268.82 - Step 4: Simplify right side
799,747.79x = 320,621,470,941.61 - Step 5: Solve for x
x = 320,621,470,941.61/799,747.79 - Step 6: Final answer
x = 400,903.23
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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.