Finding the Fourth Proportional to 553,896.96, 764,376.84 and 299,247.36
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Solution
The fourth proportional to 553,896.96, 764,376.84 and 299,247.36 is: 412,960.84
Step by Step Solution
- Step 1: Write the proportion equation
553,896.96 : 764,376.84 = 299,247.36 : x - Step 2: Convert to fraction form
553,896.96/764,376.84 = 299,247.36/x - Step 3: Cross multiply
553,896.96x = 764,376.84 × 299,247.36 - Step 4: Simplify right side
553,896.96x = 228,737,751,415.14 - Step 5: Solve for x
x = 228,737,751,415.14/553,896.96 - Step 6: Final answer
x = 412,960.84
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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.