Finding the Fourth Proportional to 819,896.70, 1,230,363.45 and 482,936.70
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Solution
The fourth proportional to 819,896.70, 1,230,363.45 and 482,936.70 is: 724,710.40
Step by Step Solution
- Step 1: Write the proportion equation
819,896.70 : 1,230,363.45 = 482,936.70 : x - Step 2: Convert to fraction form
819,896.70/1,230,363.45 = 482,936.70/x - Step 3: Cross multiply
819,896.70x = 1,230,363.45 × 482,936.70 - Step 4: Simplify right side
819,896.70x = 594,187,664,343.62 - Step 5: Solve for x
x = 594,187,664,343.62/819,896.70 - Step 6: Final answer
x = 724,710.40
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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.