Finding the Fourth Proportional to 740,629.80, 1,110,944.70 and 367,381.80
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Solution
The fourth proportional to 740,629.80, 1,110,944.70 and 367,381.80 is: 551,072.70
Step by Step Solution
- Step 1: Write the proportion equation
740,629.80 : 1,110,944.70 = 367,381.80 : x - Step 2: Convert to fraction form
740,629.80/1,110,944.70 = 367,381.80/x - Step 3: Cross multiply
740,629.80x = 1,110,944.70 × 367,381.80 - Step 4: Simplify right side
740,629.80x = 408,140,863,586.46 - Step 5: Solve for x
x = 408,140,863,586.46/740,629.80 - Step 6: Final answer
x = 551,072.70
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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.