Finding the Fourth Proportional to 823,363.80, 1,235,045.70 and 683,395.80
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Solution
The fourth proportional to 823,363.80, 1,235,045.70 and 683,395.80 is: 1,025,093.70
Step by Step Solution
- Step 1: Write the proportion equation
823,363.80 : 1,235,045.70 = 683,395.80 : x - Step 2: Convert to fraction form
823,363.80/1,235,045.70 = 683,395.80/x - Step 3: Cross multiply
823,363.80x = 1,235,045.70 × 683,395.80 - Step 4: Simplify right side
823,363.80x = 844,025,044,188.06 - Step 5: Solve for x
x = 844,025,044,188.06/823,363.80 - Step 6: Final answer
x = 1,025,093.70
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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.