Finding the Fourth Proportional to 581,850.76, 872,767.36 and 261,776.60
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Solution
The fourth proportional to 581,850.76, 872,767.36 and 261,776.60 is: 392,660.95
Step by Step Solution
- Step 1: Write the proportion equation
581,850.76 : 872,767.36 = 261,776.60 : x - Step 2: Convert to fraction form
581,850.76/872,767.36 = 261,776.60/x - Step 3: Cross multiply
581,850.76x = 872,767.36 × 261,776.60 - Step 4: Simplify right side
581,850.76x = 228,470,072,091.78 - Step 5: Solve for x
x = 228,470,072,091.78/581,850.76 - Step 6: Final answer
x = 392,660.95
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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.