Finding the Fourth Proportional to 522,051.80, 783,077.70 and 356,163.80
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Solution
The fourth proportional to 522,051.80, 783,077.70 and 356,163.80 is: 534,245.70
Step by Step Solution
- Step 1: Write the proportion equation
522,051.80 : 783,077.70 = 356,163.80 : x - Step 2: Convert to fraction form
522,051.80/783,077.70 = 356,163.80/x - Step 3: Cross multiply
522,051.80x = 783,077.70 × 356,163.80 - Step 4: Simplify right side
522,051.80x = 278,903,929,327.26 - Step 5: Solve for x
x = 278,903,929,327.26/522,051.80 - Step 6: Final answer
x = 534,245.70
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Similar ratio
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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.