Finding the Fourth Proportional to 647,537.80, 970,917.90 and 332,609.80
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Solution
The fourth proportional to 647,537.80, 970,917.90 and 332,609.80 is: 498,714.99
Step by Step Solution
- Step 1: Write the proportion equation
647,537.80 : 970,917.90 = 332,609.80 : x - Step 2: Convert to fraction form
647,537.80/970,917.90 = 332,609.80/x - Step 3: Cross multiply
647,537.80x = 970,917.90 × 332,609.80 - Step 4: Simplify right side
647,537.80x = 322,936,808,535.42 - Step 5: Solve for x
x = 322,936,808,535.42/647,537.80 - Step 6: Final answer
x = 498,714.99
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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.