Finding the Fourth Proportional to 644,857.80, 967,286.70 and 605,491.80
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Solution
The fourth proportional to 644,857.80, 967,286.70 and 605,491.80 is: 908,237.70
Step by Step Solution
- Step 1: Write the proportion equation
644,857.80 : 967,286.70 = 605,491.80 : x - Step 2: Convert to fraction form
644,857.80/967,286.70 = 605,491.80/x - Step 3: Cross multiply
644,857.80x = 967,286.70 × 605,491.80 - Step 4: Simplify right side
644,857.80x = 585,684,165,099.06 - Step 5: Solve for x
x = 585,684,165,099.06/644,857.80 - Step 6: Final answer
x = 908,237.70
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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.