Finding the Fourth Proportional to 603,905.80, 905,968.05 and 303,630.70
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Solution
The fourth proportional to 603,905.80, 905,968.05 and 303,630.70 is: 455,501.03
Step by Step Solution
- Step 1: Write the proportion equation
603,905.80 : 905,968.05 = 303,630.70 : x - Step 2: Convert to fraction form
603,905.80/905,968.05 = 303,630.70/x - Step 3: Cross multiply
603,905.80x = 905,968.05 × 303,630.70 - Step 4: Simplify right side
603,905.80x = 275,079,713,199.14 - Step 5: Solve for x
x = 275,079,713,199.14/603,905.80 - Step 6: Final answer
x = 455,501.03
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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.