Finding the Fourth Proportional to 407,639.24, 608,713.90 and 332,907.74
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Solution
The fourth proportional to 407,639.24, 608,713.90 and 332,907.74 is: 497,119.88
Step by Step Solution
- Step 1: Write the proportion equation
407,639.24 : 608,713.90 = 332,907.74 : x - Step 2: Convert to fraction form
407,639.24/608,713.90 = 332,907.74/x - Step 3: Cross multiply
407,639.24x = 608,713.90 × 332,907.74 - Step 4: Simplify right side
407,639.24x = 202,645,568,755.59 - Step 5: Solve for x
x = 202,645,568,755.59/407,639.24 - Step 6: Final answer
x = 497,119.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.