Finding the Fourth Proportional to 522,201.94, 720,874.74 and 328,893.75
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Solution
The fourth proportional to 522,201.94, 720,874.74 and 328,893.75 is: 454,022.06
Step by Step Solution
- Step 1: Write the proportion equation
522,201.94 : 720,874.74 = 328,893.75 : x - Step 2: Convert to fraction form
522,201.94/720,874.74 = 328,893.75/x - Step 3: Cross multiply
522,201.94x = 720,874.74 × 328,893.75 - Step 4: Simplify right side
522,201.94x = 237,091,197,752.23 - Step 5: Solve for x
x = 237,091,197,752.23/522,201.94 - Step 6: Final answer
x = 454,022.06
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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.