Finding the Fourth Proportional to 673,790.70, 1,010,686.05 and 274,225.80
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Solution
The fourth proportional to 673,790.70, 1,010,686.05 and 274,225.80 is: 411,338.70
Step by Step Solution
- Step 1: Write the proportion equation
673,790.70 : 1,010,686.05 = 274,225.80 : x - Step 2: Convert to fraction form
673,790.70/1,010,686.05 = 274,225.80/x - Step 3: Cross multiply
673,790.70x = 1,010,686.05 × 274,225.80 - Step 4: Simplify right side
673,790.70x = 277,156,190,610.09 - Step 5: Solve for x
x = 277,156,190,610.09/673,790.70 - Step 6: Final answer
x = 411,338.70
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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.