Finding the Fourth Proportional to 899,629.11, 1,241,487.12 and 491,733.63
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Solution
The fourth proportional to 899,629.11, 1,241,487.12 and 491,733.63 is: 678,591.83
Step by Step Solution
- Step 1: Write the proportion equation
899,629.11 : 1,241,487.12 = 491,733.63 : x - Step 2: Convert to fraction form
899,629.11/1,241,487.12 = 491,733.63/x - Step 3: Cross multiply
899,629.11x = 1,241,487.12 × 491,733.63 - Step 4: Simplify right side
899,629.11x = 610,480,968,115.85 - Step 5: Solve for x
x = 610,480,968,115.85/899,629.11 - Step 6: Final answer
x = 678,591.83
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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.