Finding the Fourth Proportional to 780,975.83, 1,171,858.07 and 354,239.68
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Solution
The fourth proportional to 780,975.83, 1,171,858.07 and 354,239.68 is: 531,538.38
Step by Step Solution
- Step 1: Write the proportion equation
780,975.83 : 1,171,858.07 = 354,239.68 : x - Step 2: Convert to fraction form
780,975.83/1,171,858.07 = 354,239.68/x - Step 3: Cross multiply
780,975.83x = 1,171,858.07 × 354,239.68 - Step 4: Simplify right side
780,975.83x = 415,118,627,722.22 - Step 5: Solve for x
x = 415,118,627,722.22/780,975.83 - Step 6: Final answer
x = 531,538.38
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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.