Finding the Fourth Proportional to 656,519.21, 984,883.80 and 277,443.62
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Solution
The fourth proportional to 656,519.21, 984,883.80 and 277,443.62 is: 416,209.80
Step by Step Solution
- Step 1: Write the proportion equation
656,519.21 : 984,883.80 = 277,443.62 : x - Step 2: Convert to fraction form
656,519.21/984,883.80 = 277,443.62/x - Step 3: Cross multiply
656,519.21x = 984,883.80 × 277,443.62 - Step 4: Simplify right side
656,519.21x = 273,249,726,751.36 - Step 5: Solve for x
x = 273,249,726,751.36/656,519.21 - Step 6: Final answer
x = 416,209.80
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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.