Finding the Fourth Proportional to 513,198.18, 770,495.36 and 288,716.58
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Solution
The fourth proportional to 513,198.18, 770,495.36 and 288,716.58 is: 433,467.60
Step by Step Solution
- Step 1: Write the proportion equation
513,198.18 : 770,495.36 = 288,716.58 : x - Step 2: Convert to fraction form
513,198.18/770,495.36 = 288,716.58/x - Step 3: Cross multiply
513,198.18x = 770,495.36 × 288,716.58 - Step 4: Simplify right side
513,198.18x = 222,454,783,801.49 - Step 5: Solve for x
x = 222,454,783,801.49/513,198.18 - Step 6: Final answer
x = 433,467.60
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1.5x scale
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.