Finding the Fourth Proportional to 623,365.88, 860,245.11 and 355,093.88
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Solution
The fourth proportional to 623,365.88, 860,245.11 and 355,093.88 is: 490,029.66
Step by Step Solution
- Step 1: Write the proportion equation
623,365.88 : 860,245.11 = 355,093.88 : x - Step 2: Convert to fraction form
623,365.88/860,245.11 = 355,093.88/x - Step 3: Cross multiply
623,365.88x = 860,245.11 × 355,093.88 - Step 4: Simplify right side
623,365.88x = 305,467,769,559.70 - Step 5: Solve for x
x = 305,467,769,559.70/623,365.88 - Step 6: Final answer
x = 490,029.66
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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.