Finding the Fourth Proportional to 783,370.74, 1,081,243.94 and 477,615.72
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Solution
The fourth proportional to 783,370.74, 1,081,243.94 and 477,615.72 is: 659,226.95
Step by Step Solution
- Step 1: Write the proportion equation
783,370.74 : 1,081,243.94 = 477,615.72 : x - Step 2: Convert to fraction form
783,370.74/1,081,243.94 = 477,615.72/x - Step 3: Cross multiply
783,370.74x = 1,081,243.94 × 477,615.72 - Step 4: Simplify right side
783,370.74x = 516,419,102,898.74 - Step 5: Solve for x
x = 516,419,102,898.74/783,370.74 - Step 6: Final answer
x = 659,226.95
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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.