Finding the Fourth Proportional to 582,748.30, 874,247.51 and 330,149.80
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Solution
The fourth proportional to 582,748.30, 874,247.51 and 330,149.80 is: 495,295.55
Step by Step Solution
- Step 1: Write the proportion equation
582,748.30 : 874,247.51 = 330,149.80 : x - Step 2: Convert to fraction form
582,748.30/874,247.51 = 330,149.80/x - Step 3: Cross multiply
582,748.30x = 874,247.51 × 330,149.80 - Step 4: Simplify right side
582,748.30x = 288,632,642,495.18 - Step 5: Solve for x
x = 288,632,642,495.18/582,748.30 - Step 6: Final answer
x = 495,295.55
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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.