Finding the Fourth Proportional to 568,603.75, 784,652.58 and 313,949.47
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Solution
The fourth proportional to 568,603.75, 784,652.58 and 313,949.47 is: 433,238.90
Step by Step Solution
- Step 1: Write the proportion equation
568,603.75 : 784,652.58 = 313,949.47 : x - Step 2: Convert to fraction form
568,603.75/784,652.58 = 313,949.47/x - Step 3: Cross multiply
568,603.75x = 784,652.58 × 313,949.47 - Step 4: Simplify right side
568,603.75x = 246,341,261,625.13 - Step 5: Solve for x
x = 246,341,261,625.13/568,603.75 - Step 6: Final answer
x = 433,238.90
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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.