Finding the Fourth Proportional to 879,754.37, 1,319,608.46 and 280,752.08
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Solution
The fourth proportional to 879,754.37, 1,319,608.46 and 280,752.08 is: 421,120.75
Step by Step Solution
- Step 1: Write the proportion equation
879,754.37 : 1,319,608.46 = 280,752.08 : x - Step 2: Convert to fraction form
879,754.37/1,319,608.46 = 280,752.08/x - Step 3: Cross multiply
879,754.37x = 1,319,608.46 × 280,752.08 - Step 4: Simplify right side
879,754.37x = 370,482,814,034.44 - Step 5: Solve for x
x = 370,482,814,034.44/879,754.37 - Step 6: Final answer
x = 421,120.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.