Finding the Fourth Proportional to 504,441.63, 696,134.12 and 278,095.23
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Solution
The fourth proportional to 504,441.63, 696,134.12 and 278,095.23 is: 383,773.99
Step by Step Solution
- Step 1: Write the proportion equation
504,441.63 : 696,134.12 = 278,095.23 : x - Step 2: Convert to fraction form
504,441.63/696,134.12 = 278,095.23/x - Step 3: Cross multiply
504,441.63x = 696,134.12 × 278,095.23 - Step 4: Simplify right side
504,441.63x = 193,591,576,821.77 - Step 5: Solve for x
x = 193,591,576,821.77/504,441.63 - Step 6: Final answer
x = 383,773.99
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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.