Finding the Fourth Proportional to 647,474.48, 971,491.62 and 347,604.92
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Solution
The fourth proportional to 647,474.48, 971,491.62 and 347,604.92 is: 521,557.65
Step by Step Solution
- Step 1: Write the proportion equation
647,474.48 : 971,491.62 = 347,604.92 : x - Step 2: Convert to fraction form
647,474.48/971,491.62 = 347,604.92/x - Step 3: Cross multiply
647,474.48x = 971,491.62 × 347,604.92 - Step 4: Simplify right side
647,474.48x = 337,695,266,850.77 - Step 5: Solve for x
x = 337,695,266,850.77/647,474.48 - Step 6: Final answer
x = 521,557.65
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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.