Finding the Fourth Proportional to 786,260.28, 1,178,692.26 and 306,376.92
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Solution
The fourth proportional to 786,260.28, 1,178,692.26 and 306,376.92 is: 459,293.33
Step by Step Solution
- Step 1: Write the proportion equation
786,260.28 : 1,178,692.26 = 306,376.92 : x - Step 2: Convert to fraction form
786,260.28/1,178,692.26 = 306,376.92/x - Step 3: Cross multiply
786,260.28x = 1,178,692.26 × 306,376.92 - Step 4: Simplify right side
786,260.28x = 361,124,104,246.64 - Step 5: Solve for x
x = 361,124,104,246.64/786,260.28 - Step 6: Final answer
x = 459,293.33
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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.