Finding the Fourth Proportional to 394,235.80, 591,353.70 and 370,907.80
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Solution
The fourth proportional to 394,235.80, 591,353.70 and 370,907.80 is: 556,361.70
Step by Step Solution
- Step 1: Write the proportion equation
394,235.80 : 591,353.70 = 370,907.80 : x - Step 2: Convert to fraction form
394,235.80/591,353.70 = 370,907.80/x - Step 3: Cross multiply
394,235.80x = 591,353.70 × 370,907.80 - Step 4: Simplify right side
394,235.80x = 219,337,699,888.86 - Step 5: Solve for x
x = 219,337,699,888.86/394,235.80 - Step 6: Final answer
x = 556,361.70
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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.