Finding the Fourth Proportional to 664,028.91, 916,358.00 and 362,220.75
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Solution
The fourth proportional to 664,028.91, 916,358.00 and 362,220.75 is: 499,863.60
Step by Step Solution
- Step 1: Write the proportion equation
664,028.91 : 916,358.00 = 362,220.75 : x - Step 2: Convert to fraction form
664,028.91/916,358.00 = 362,220.75/x - Step 3: Cross multiply
664,028.91x = 916,358.00 × 362,220.75 - Step 4: Simplify right side
664,028.91x = 331,923,880,217.40 - Step 5: Solve for x
x = 331,923,880,217.40/664,028.91 - Step 6: Final answer
x = 499,863.60
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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.