Finding the Fourth Proportional to 906,059.78, 1,358,240.84 and 306,601.26
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Solution
The fourth proportional to 906,059.78, 1,358,240.84 and 306,601.26 is: 459,614.65
Step by Step Solution
- Step 1: Write the proportion equation
906,059.78 : 1,358,240.84 = 306,601.26 : x - Step 2: Convert to fraction form
906,059.78/1,358,240.84 = 306,601.26/x - Step 3: Cross multiply
906,059.78x = 1,358,240.84 × 306,601.26 - Step 4: Simplify right side
906,059.78x = 416,438,352,927.46 - Step 5: Solve for x
x = 416,438,352,927.46/906,059.78 - Step 6: Final answer
x = 459,614.65
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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.