Finding the Fourth Proportional to 754,416.96, 1,131,756.48 and 305,119.68
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Solution
The fourth proportional to 754,416.96, 1,131,756.48 and 305,119.68 is: 457,732.52
Step by Step Solution
- Step 1: Write the proportion equation
754,416.96 : 1,131,756.48 = 305,119.68 : x - Step 2: Convert to fraction form
754,416.96/1,131,756.48 = 305,119.68/x - Step 3: Cross multiply
754,416.96x = 1,131,756.48 × 305,119.68 - Step 4: Simplify right side
754,416.96x = 345,321,175,015.53 - Step 5: Solve for x
x = 345,321,175,015.53/754,416.96 - Step 6: Final answer
x = 457,732.52
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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.