Finding the Fourth Proportional to 684,193.44, 944,146.20 and 378,251.44
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Solution
The fourth proportional to 684,193.44, 944,146.20 and 378,251.44 is: 521,964.46
Step by Step Solution
- Step 1: Write the proportion equation
684,193.44 : 944,146.20 = 378,251.44 : x - Step 2: Convert to fraction form
684,193.44/944,146.20 = 378,251.44/x - Step 3: Cross multiply
684,193.44x = 944,146.20 × 378,251.44 - Step 4: Simplify right side
684,193.44x = 357,124,659,720.53 - Step 5: Solve for x
x = 357,124,659,720.53/684,193.44 - Step 6: Final answer
x = 521,964.46
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1.5x scale
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.