Finding the Fourth Proportional to 648,262.20, 971,615.70 and 332,556.60
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Solution
The fourth proportional to 648,262.20, 971,615.70 and 332,556.60 is: 498,435.99
Step by Step Solution
- Step 1: Write the proportion equation
648,262.20 : 971,615.70 = 332,556.60 : x - Step 2: Convert to fraction form
648,262.20/971,615.70 = 332,556.60/x - Step 3: Cross multiply
648,262.20x = 971,615.70 × 332,556.60 - Step 4: Simplify right side
648,262.20x = 323,117,213,698.62 - Step 5: Solve for x
x = 323,117,213,698.62/648,262.20 - Step 6: Final answer
x = 498,435.99
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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.