Finding the Fourth Proportional to 603,760.80, 905,750.55 and 303,485.70
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Solution
The fourth proportional to 603,760.80, 905,750.55 and 303,485.70 is: 455,283.52
Step by Step Solution
- Step 1: Write the proportion equation
603,760.80 : 905,750.55 = 303,485.70 : x - Step 2: Convert to fraction form
603,760.80/905,750.55 = 303,485.70/x - Step 3: Cross multiply
603,760.80x = 905,750.55 × 303,485.70 - Step 4: Simplify right side
603,760.80x = 274,882,339,692.14 - Step 5: Solve for x
x = 274,882,339,692.14/603,760.80 - Step 6: Final answer
x = 455,283.52
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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.