Finding the Fourth Proportional to 504,634.24, 696,363.44 and 289,622.96
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Solution
The fourth proportional to 504,634.24, 696,363.44 and 289,622.96 is: 399,661.43
Step by Step Solution
- Step 1: Write the proportion equation
504,634.24 : 696,363.44 = 289,622.96 : x - Step 2: Convert to fraction form
504,634.24/696,363.44 = 289,622.96/x - Step 3: Cross multiply
504,634.24x = 696,363.44 × 289,622.96 - Step 4: Simplify right side
504,634.24x = 201,682,840,728.58 - Step 5: Solve for x
x = 201,682,840,728.58/504,634.24 - Step 6: Final answer
x = 399,661.43
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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.