Finding the Fourth Proportional to 603,812.80, 905,828.55 and 303,537.70
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Solution
The fourth proportional to 603,812.80, 905,828.55 and 303,537.70 is: 455,361.52
Step by Step Solution
- Step 1: Write the proportion equation
603,812.80 : 905,828.55 = 303,537.70 : x - Step 2: Convert to fraction form
603,812.80/905,828.55 = 303,537.70/x - Step 3: Cross multiply
603,812.80x = 905,828.55 × 303,537.70 - Step 4: Simplify right side
603,812.80x = 274,953,114,661.34 - Step 5: Solve for x
x = 274,953,114,661.34/603,812.80 - Step 6: Final answer
x = 455,361.52
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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.