Finding the Fourth Proportional to 713,563.11, 985,233.69 and 459,357.12
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Solution
The fourth proportional to 713,563.11, 985,233.69 and 459,357.12 is: 634,245.39
Step by Step Solution
- Step 1: Write the proportion equation
713,563.11 : 985,233.69 = 459,357.12 : x - Step 2: Convert to fraction form
713,563.11/985,233.69 = 459,357.12/x - Step 3: Cross multiply
713,563.11x = 985,233.69 × 459,357.12 - Step 4: Simplify right side
713,563.11x = 452,574,110,365.37 - Step 5: Solve for x
x = 452,574,110,365.37/713,563.11 - Step 6: Final answer
x = 634,245.39
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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.