Finding the Fourth Proportional to 522,542.76, 783,517.68 and 477,961.98
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Solution
The fourth proportional to 522,542.76, 783,517.68 and 477,961.98 is: 716,671.80
Step by Step Solution
- Step 1: Write the proportion equation
522,542.76 : 783,517.68 = 477,961.98 : x - Step 2: Convert to fraction form
522,542.76/783,517.68 = 477,961.98/x - Step 3: Cross multiply
522,542.76x = 783,517.68 × 477,961.98 - Step 4: Simplify right side
522,542.76x = 374,491,661,697.81 - Step 5: Solve for x
x = 374,491,661,697.81/522,542.76 - Step 6: Final answer
x = 716,671.80
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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.