Finding the Fourth Proportional to 664,369.09, 916,829.09 and 362,563.09
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Solution
The fourth proportional to 664,369.09, 916,829.09 and 362,563.09 is: 500,336.92
Step by Step Solution
- Step 1: Write the proportion equation
664,369.09 : 916,829.09 = 362,563.09 : x - Step 2: Convert to fraction form
664,369.09/916,829.09 = 362,563.09/x - Step 3: Cross multiply
664,369.09x = 916,829.09 × 362,563.09 - Step 4: Simplify right side
664,369.09x = 332,408,384,194.55 - Step 5: Solve for x
x = 332,408,384,194.55/664,369.09 - Step 6: Final answer
x = 500,336.92
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1.5x scale
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.