Finding the Fourth Proportional to 639,626.88, 882,684.85 and 367,747.92
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Solution
The fourth proportional to 639,626.88, 882,684.85 and 367,747.92 is: 507,491.99
Step by Step Solution
- Step 1: Write the proportion equation
639,626.88 : 882,684.85 = 367,747.92 : x - Step 2: Convert to fraction form
639,626.88/882,684.85 = 367,747.92/x - Step 3: Cross multiply
639,626.88x = 882,684.85 × 367,747.92 - Step 4: Simplify right side
639,626.88x = 324,605,517,603.01 - Step 5: Solve for x
x = 324,605,517,603.01/639,626.88 - Step 6: Final answer
x = 507,491.99
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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.