Finding the Fourth Proportional to 648,276.20, 971,636.70 and 332,570.60
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Solution
The fourth proportional to 648,276.20, 971,636.70 and 332,570.60 is: 498,456.99
Step by Step Solution
- Step 1: Write the proportion equation
648,276.20 : 971,636.70 = 332,570.60 : x - Step 2: Convert to fraction form
648,276.20/971,636.70 = 332,570.60/x - Step 3: Cross multiply
648,276.20x = 971,636.70 × 332,570.60 - Step 4: Simplify right side
648,276.20x = 323,137,800,301.02 - Step 5: Solve for x
x = 323,137,800,301.02/648,276.20 - Step 6: Final answer
x = 498,456.99
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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.