Finding the Fourth Proportional to 783,197.76, 1,174,797.57 and 214,583.70
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Solution
The fourth proportional to 783,197.76, 1,174,797.57 and 214,583.70 is: 321,875.80
Step by Step Solution
- Step 1: Write the proportion equation
783,197.76 : 1,174,797.57 = 214,583.70 : x - Step 2: Convert to fraction form
783,197.76/1,174,797.57 = 214,583.70/x - Step 3: Cross multiply
783,197.76x = 1,174,797.57 × 214,583.70 - Step 4: Simplify right side
783,197.76x = 252,092,409,321.61 - Step 5: Solve for x
x = 252,092,409,321.61/783,197.76 - Step 6: Final answer
x = 321,875.80
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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.