Finding the Fourth Proportional to 515,923.41, 773,600.96 and 276,318.12
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Solution
The fourth proportional to 515,923.41, 773,600.96 and 276,318.12 is: 414,324.99
Step by Step Solution
- Step 1: Write the proportion equation
515,923.41 : 773,600.96 = 276,318.12 : x - Step 2: Convert to fraction form
515,923.41/773,600.96 = 276,318.12/x - Step 3: Cross multiply
515,923.41x = 773,600.96 × 276,318.12 - Step 4: Simplify right side
515,923.41x = 213,759,961,515.81 - Step 5: Solve for x
x = 213,759,961,515.81/515,923.41 - Step 6: Final answer
x = 414,324.99
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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.