Finding the Fourth Proportional to 789,739.68, 1,184,608.56 and 257,259.84
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Solution
The fourth proportional to 789,739.68, 1,184,608.56 and 257,259.84 is: 385,889.45
Step by Step Solution
- Step 1: Write the proportion equation
789,739.68 : 1,184,608.56 = 257,259.84 : x - Step 2: Convert to fraction form
789,739.68/1,184,608.56 = 257,259.84/x - Step 3: Cross multiply
789,739.68x = 1,184,608.56 × 257,259.84 - Step 4: Simplify right side
789,739.68x = 304,752,208,608.23 - Step 5: Solve for x
x = 304,752,208,608.23/789,739.68 - Step 6: Final answer
x = 385,889.45
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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.