Finding the Fourth Proportional to 777,122, 1,165,629.50 and 477,648.80
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Solution
The fourth proportional to 777,122, 1,165,629.50 and 477,648.80 is: 716,440.32
Step by Step Solution
- Step 1: Write the proportion equation
777,122 : 1,165,629.50 = 477,648.80 : x - Step 2: Convert to fraction form
777,122/1,165,629.50 = 477,648.80/x - Step 3: Cross multiply
777,122x = 1,165,629.50 × 477,648.80 - Step 4: Simplify right side
777,122x = 556,761,531,919.60 - Step 5: Solve for x
x = 556,761,531,919.60/777,122 - Step 6: Final answer
x = 716,440.32
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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.