Finding the Fourth Proportional to 505,797.74, 758,042.57 and 378,438.74
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Solution
The fourth proportional to 505,797.74, 758,042.57 and 378,438.74 is: 567,168.75
Step by Step Solution
- Step 1: Write the proportion equation
505,797.74 : 758,042.57 = 378,438.74 : x - Step 2: Convert to fraction form
505,797.74/758,042.57 = 378,438.74/x - Step 3: Cross multiply
505,797.74x = 758,042.57 × 378,438.74 - Step 4: Simplify right side
505,797.74x = 286,872,671,266.95 - Step 5: Solve for x
x = 286,872,671,266.95/505,797.74 - Step 6: Final answer
x = 567,168.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.