Finding the Fourth Proportional to 829,442.60, 1,244,163.90 and 268,533.80
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Solution
The fourth proportional to 829,442.60, 1,244,163.90 and 268,533.80 is: 402,800.70
Step by Step Solution
- Step 1: Write the proportion equation
829,442.60 : 1,244,163.90 = 268,533.80 : x - Step 2: Convert to fraction form
829,442.60/1,244,163.90 = 268,533.80/x - Step 3: Cross multiply
829,442.60x = 1,244,163.90 × 268,533.80 - Step 4: Simplify right side
829,442.60x = 334,100,059,889.82 - Step 5: Solve for x
x = 334,100,059,889.82/829,442.60 - Step 6: Final answer
x = 402,800.70
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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.