Finding the Fourth Proportional to 568,343.10, 784,311.99 and 313,692.54
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Solution
The fourth proportional to 568,343.10, 784,311.99 and 313,692.54 is: 432,894.88
Step by Step Solution
- Step 1: Write the proportion equation
568,343.10 : 784,311.99 = 313,692.54 : x - Step 2: Convert to fraction form
568,343.10/784,311.99 = 313,692.54/x - Step 3: Cross multiply
568,343.10x = 784,311.99 × 313,692.54 - Step 4: Simplify right side
568,343.10x = 246,032,820,295.56 - Step 5: Solve for x
x = 246,032,820,295.56/568,343.10 - Step 6: Final answer
x = 432,894.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.