Finding the Fourth Proportional to 777,119.75, 1,165,626.12 and 477,646.55
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Solution
The fourth proportional to 777,119.75, 1,165,626.12 and 477,646.55 is: 716,436.94
Step by Step Solution
- Step 1: Write the proportion equation
777,119.75 : 1,165,626.12 = 477,646.55 : x - Step 2: Convert to fraction form
777,119.75/1,165,626.12 = 477,646.55/x - Step 3: Cross multiply
777,119.75x = 1,165,626.12 × 477,646.55 - Step 4: Simplify right side
777,119.75x = 556,757,294,807.89 - Step 5: Solve for x
x = 556,757,294,807.89/777,119.75 - Step 6: Final answer
x = 716,436.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.