Finding the Fourth Proportional to 647,579.70, 971,369.55 and 606,107.70
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Solution
The fourth proportional to 647,579.70, 971,369.55 and 606,107.70 is: 909,161.55
Step by Step Solution
- Step 1: Write the proportion equation
647,579.70 : 971,369.55 = 606,107.70 : x - Step 2: Convert to fraction form
647,579.70/971,369.55 = 606,107.70/x - Step 3: Cross multiply
647,579.70x = 971,369.55 × 606,107.70 - Step 4: Simplify right side
647,579.70x = 588,754,563,800.54 - Step 5: Solve for x
x = 588,754,563,800.54/647,579.70 - Step 6: Final answer
x = 909,161.55
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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.