Finding the Fourth Proportional to 777,328.64, 1,163,359.44 and 477,998.81
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Solution
The fourth proportional to 777,328.64, 1,163,359.44 and 477,998.81 is: 715,378.80
Step by Step Solution
- Step 1: Write the proportion equation
777,328.64 : 1,163,359.44 = 477,998.81 : x - Step 2: Convert to fraction form
777,328.64/1,163,359.44 = 477,998.81/x - Step 3: Cross multiply
777,328.64x = 1,163,359.44 × 477,998.81 - Step 4: Simplify right side
777,328.64x = 556,084,427,922.27 - Step 5: Solve for x
x = 556,084,427,922.27/777,328.64 - Step 6: Final answer
x = 715,378.80
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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.