Finding the Fourth Proportional to 756,450.80, 1,043,908.44 and 416,919.92
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Solution
The fourth proportional to 756,450.80, 1,043,908.44 and 416,919.92 is: 575,352.98
Step by Step Solution
- Step 1: Write the proportion equation
756,450.80 : 1,043,908.44 = 416,919.92 : x - Step 2: Convert to fraction form
756,450.80/1,043,908.44 = 416,919.92/x - Step 3: Cross multiply
756,450.80x = 1,043,908.44 × 416,919.92 - Step 4: Simplify right side
756,450.80x = 435,226,223,292.13 - Step 5: Solve for x
x = 435,226,223,292.13/756,450.80 - Step 6: Final answer
x = 575,352.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.