Finding the Fourth Proportional to 548,458.24, 756,878.16 and 322,107.52
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Solution
The fourth proportional to 548,458.24, 756,878.16 and 322,107.52 is: 444,511.78
Step by Step Solution
- Step 1: Write the proportion equation
548,458.24 : 756,878.16 = 322,107.52 : x - Step 2: Convert to fraction form
548,458.24/756,878.16 = 322,107.52/x - Step 3: Cross multiply
548,458.24x = 756,878.16 × 322,107.52 - Step 4: Simplify right side
548,458.24x = 243,796,147,059.76 - Step 5: Solve for x
x = 243,796,147,059.76/548,458.24 - Step 6: Final answer
x = 444,511.78
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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.