Finding the Fourth Proportional to 647,471.70, 971,207.55 and 332,543.70
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Solution
The fourth proportional to 647,471.70, 971,207.55 and 332,543.70 is: 498,815.55
Step by Step Solution
- Step 1: Write the proportion equation
647,471.70 : 971,207.55 = 332,543.70 : x - Step 2: Convert to fraction form
647,471.70/971,207.55 = 332,543.70/x - Step 3: Cross multiply
647,471.70x = 971,207.55 × 332,543.70 - Step 4: Simplify right side
647,471.70x = 322,968,952,144.94 - Step 5: Solve for x
x = 322,968,952,144.94/647,471.70 - Step 6: Final answer
x = 498,815.55
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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.