Finding the Fourth Proportional to 764,338.44, 1,052,377.74 and 693,479.64
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Solution
The fourth proportional to 764,338.44, 1,052,377.74 and 693,479.64 is: 954,815.95
Step by Step Solution
- Step 1: Write the proportion equation
764,338.44 : 1,052,377.74 = 693,479.64 : x - Step 2: Convert to fraction form
764,338.44/1,052,377.74 = 693,479.64/x - Step 3: Cross multiply
764,338.44x = 1,052,377.74 × 693,479.64 - Step 4: Simplify right side
764,338.44x = 729,802,536,279.21 - Step 5: Solve for x
x = 729,802,536,279.21/764,338.44 - Step 6: Final answer
x = 954,815.95
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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.