Finding the Fourth Proportional to 872,940.24, 1,204,518.66 and 490,893.18
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Solution
The fourth proportional to 872,940.24, 1,204,518.66 and 490,893.18 is: 677,354.49
Step by Step Solution
- Step 1: Write the proportion equation
872,940.24 : 1,204,518.66 = 490,893.18 : x - Step 2: Convert to fraction form
872,940.24/1,204,518.66 = 490,893.18/x - Step 3: Cross multiply
872,940.24x = 1,204,518.66 × 490,893.18 - Step 4: Simplify right side
872,940.24x = 591,289,995,376.74 - Step 5: Solve for x
x = 591,289,995,376.74/872,940.24 - Step 6: Final answer
x = 677,354.49
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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.