Finding the Fourth Proportional to 864,658.36, 1,296,972.18 and 273,667
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Solution
The fourth proportional to 864,658.36, 1,296,972.18 and 273,667 is: 410,495.64
Step by Step Solution
- Step 1: Write the proportion equation
864,658.36 : 1,296,972.18 = 273,667 : x - Step 2: Convert to fraction form
864,658.36/1,296,972.18 = 273,667/x - Step 3: Cross multiply
864,658.36x = 1,296,972.18 × 273,667 - Step 4: Simplify right side
864,658.36x = 354,938,485,584.06 - Step 5: Solve for x
x = 354,938,485,584.06/864,658.36 - Step 6: Final answer
x = 410,495.64
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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.