Finding the Fourth Proportional to 504,660.54, 696,408.12 and 289,649.28
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Solution
The fourth proportional to 504,660.54, 696,408.12 and 289,649.28 is: 399,702.56
Step by Step Solution
- Step 1: Write the proportion equation
504,660.54 : 696,408.12 = 289,649.28 : x - Step 2: Convert to fraction form
504,660.54/696,408.12 = 289,649.28/x - Step 3: Cross multiply
504,660.54x = 696,408.12 × 289,649.28 - Step 4: Simplify right side
504,660.54x = 201,714,110,544.15 - Step 5: Solve for x
x = 201,714,110,544.15/504,660.54 - Step 6: Final answer
x = 399,702.56
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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.