Finding the Fourth Proportional to 647,733.62, 970,299.23 and 322,542.02
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Solution
The fourth proportional to 647,733.62, 970,299.23 and 322,542.02 is: 483,165.09
Step by Step Solution
- Step 1: Write the proportion equation
647,733.62 : 970,299.23 = 322,542.02 : x - Step 2: Convert to fraction form
647,733.62/970,299.23 = 322,542.02/x - Step 3: Cross multiply
647,733.62x = 970,299.23 × 322,542.02 - Step 4: Simplify right side
647,733.62x = 312,962,273,648.65 - Step 5: Solve for x
x = 312,962,273,648.65/647,733.62 - Step 6: Final answer
x = 483,165.09
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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.