Finding the Fourth Proportional to 728,819.44, 1,093,235.68 and 255,504.08
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Solution
The fourth proportional to 728,819.44, 1,093,235.68 and 255,504.08 is: 383,258.41
Step by Step Solution
- Step 1: Write the proportion equation
728,819.44 : 1,093,235.68 = 255,504.08 : x - Step 2: Convert to fraction form
728,819.44/1,093,235.68 = 255,504.08/x - Step 3: Cross multiply
728,819.44x = 1,093,235.68 × 255,504.08 - Step 4: Simplify right side
728,819.44x = 279,326,176,641.57 - Step 5: Solve for x
x = 279,326,176,641.57/728,819.44 - Step 6: Final answer
x = 383,258.41
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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.