Finding the Fourth Proportional to 664,938.24, 998,029.44 and 328,358.94
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Solution
The fourth proportional to 664,938.24, 998,029.44 and 328,358.94 is: 492,845.60
Step by Step Solution
- Step 1: Write the proportion equation
664,938.24 : 998,029.44 = 328,358.94 : x - Step 2: Convert to fraction form
664,938.24/998,029.44 = 328,358.94/x - Step 3: Cross multiply
664,938.24x = 998,029.44 × 328,358.94 - Step 4: Simplify right side
664,938.24x = 327,711,889,007.19 - Step 5: Solve for x
x = 327,711,889,007.19/664,938.24 - Step 6: Final answer
x = 492,845.60
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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.