Finding the Fourth Proportional to 513,748.80, 770,624.28 and 277,202.88
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Solution
The fourth proportional to 513,748.80, 770,624.28 and 277,202.88 is: 415,804.90
Step by Step Solution
- Step 1: Write the proportion equation
513,748.80 : 770,624.28 = 277,202.88 : x - Step 2: Convert to fraction form
513,748.80/770,624.28 = 277,202.88/x - Step 3: Cross multiply
513,748.80x = 770,624.28 × 277,202.88 - Step 4: Simplify right side
513,748.80x = 213,619,269,813.93 - Step 5: Solve for x
x = 213,619,269,813.93/513,748.80 - Step 6: Final answer
x = 415,804.90
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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.