Finding the Fourth Proportional to 789,591.97, 1,184,122.75 and 256,987.75
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Solution
The fourth proportional to 789,591.97, 1,184,122.75 and 256,987.75 is: 385,395.30
Step by Step Solution
- Step 1: Write the proportion equation
789,591.97 : 1,184,122.75 = 256,987.75 : x - Step 2: Convert to fraction form
789,591.97/1,184,122.75 = 256,987.75/x - Step 3: Cross multiply
789,591.97x = 1,184,122.75 × 256,987.75 - Step 4: Simplify right side
789,591.97x = 304,305,034,040.76 - Step 5: Solve for x
x = 304,305,034,040.76/789,591.97 - Step 6: Final answer
x = 385,395.30
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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.