Finding the Fourth Proportional to 622,107.40, 933,161.10 and 423,041.80
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Solution
The fourth proportional to 622,107.40, 933,161.10 and 423,041.80 is: 634,562.70
Step by Step Solution
- Step 1: Write the proportion equation
622,107.40 : 933,161.10 = 423,041.80 : x - Step 2: Convert to fraction form
622,107.40/933,161.10 = 423,041.80/x - Step 3: Cross multiply
622,107.40x = 933,161.10 × 423,041.80 - Step 4: Simplify right side
622,107.40x = 394,766,151,433.98 - Step 5: Solve for x
x = 394,766,151,433.98/622,107.40 - Step 6: Final answer
x = 634,562.70
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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.