Finding the Fourth Proportional to 777,120, 1,165,626.50 and 477,646.80
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Solution
The fourth proportional to 777,120, 1,165,626.50 and 477,646.80 is: 716,437.31
Step by Step Solution
- Step 1: Write the proportion equation
777,120 : 1,165,626.50 = 477,646.80 : x - Step 2: Convert to fraction form
777,120/1,165,626.50 = 477,646.80/x - Step 3: Cross multiply
777,120x = 1,165,626.50 × 477,646.80 - Step 4: Simplify right side
777,120x = 556,757,765,331.97 - Step 5: Solve for x
x = 556,757,765,331.97/777,120 - Step 6: Final answer
x = 716,437.31
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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.