Finding the Fourth Proportional to 739,771.20, 1,110,175.20 and 319,348.80
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Solution
The fourth proportional to 739,771.20, 1,110,175.20 and 319,348.80 is: 479,246.99
Step by Step Solution
- Step 1: Write the proportion equation
739,771.20 : 1,110,175.20 = 319,348.80 : x - Step 2: Convert to fraction form
739,771.20/1,110,175.20 = 319,348.80/x - Step 3: Cross multiply
739,771.20x = 1,110,175.20 × 319,348.80 - Step 4: Simplify right side
739,771.20x = 354,533,117,909.76 - Step 5: Solve for x
x = 354,533,117,909.76/739,771.20 - Step 6: Final answer
x = 479,246.99
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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.