Finding the Fourth Proportional to 513,027.20, 769,540.80 and 488,532.80
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Solution
The fourth proportional to 513,027.20, 769,540.80 and 488,532.80 is: 732,799.20
Step by Step Solution
- Step 1: Write the proportion equation
513,027.20 : 769,540.80 = 488,532.80 : x - Step 2: Convert to fraction form
513,027.20/769,540.80 = 488,532.80/x - Step 3: Cross multiply
513,027.20x = 769,540.80 × 488,532.80 - Step 4: Simplify right side
513,027.20x = 375,945,921,738.24 - Step 5: Solve for x
x = 375,945,921,738.24/513,027.20 - Step 6: Final answer
x = 732,799.20
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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.