Finding the Fourth Proportional to 495,391.44, 683,698.56 and 294,187.44
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Solution
The fourth proportional to 495,391.44, 683,698.56 and 294,187.44 is: 406,013.33
Step by Step Solution
- Step 1: Write the proportion equation
495,391.44 : 683,698.56 = 294,187.44 : x - Step 2: Convert to fraction form
495,391.44/683,698.56 = 294,187.44/x - Step 3: Cross multiply
495,391.44x = 683,698.56 × 294,187.44 - Step 4: Simplify right side
495,391.44x = 201,135,529,098.09 - Step 5: Solve for x
x = 201,135,529,098.09/495,391.44 - Step 6: Final answer
x = 406,013.33
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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.