Finding the Fourth Proportional to 774,069.96, 1,068,212.28 and 434,538.12
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Solution
The fourth proportional to 774,069.96, 1,068,212.28 and 434,538.12 is: 599,660.21
Step by Step Solution
- Step 1: Write the proportion equation
774,069.96 : 1,068,212.28 = 434,538.12 : x - Step 2: Convert to fraction form
774,069.96/1,068,212.28 = 434,538.12/x - Step 3: Cross multiply
774,069.96x = 1,068,212.28 × 434,538.12 - Step 4: Simplify right side
774,069.96x = 464,178,955,912.11 - Step 5: Solve for x
x = 464,178,955,912.11/774,069.96 - Step 6: Final answer
x = 599,660.21
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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.