Finding the Fourth Proportional to 769,318.32, 1,152,945.94 and 598,745.99
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Solution
The fourth proportional to 769,318.32, 1,152,945.94 and 598,745.99 is: 897,316.16
Step by Step Solution
- Step 1: Write the proportion equation
769,318.32 : 1,152,945.94 = 598,745.99 : x - Step 2: Convert to fraction form
769,318.32/1,152,945.94 = 598,745.99/x - Step 3: Cross multiply
769,318.32x = 1,152,945.94 × 598,745.99 - Step 4: Simplify right side
769,318.32x = 690,321,758,261.78 - Step 5: Solve for x
x = 690,321,758,261.78/769,318.32 - Step 6: Final answer
x = 897,316.16
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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.