Finding the Fourth Proportional to 558,519.16, 770,761.68 and 332,120.92
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Solution
The fourth proportional to 558,519.16, 770,761.68 and 332,120.92 is: 458,329.99
Step by Step Solution
- Step 1: Write the proportion equation
558,519.16 : 770,761.68 = 332,120.92 : x - Step 2: Convert to fraction form
558,519.16/770,761.68 = 332,120.92/x - Step 3: Cross multiply
558,519.16x = 770,761.68 × 332,120.92 - Step 4: Simplify right side
558,519.16x = 255,986,078,262.35 - Step 5: Solve for x
x = 255,986,078,262.35/558,519.16 - Step 6: Final answer
x = 458,329.99
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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.