Finding the Fourth Proportional to 664,709.26, 917,294.09 and 362,903.26
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Solution
The fourth proportional to 664,709.26, 917,294.09 and 362,903.26 is: 500,803.94
Step by Step Solution
- Step 1: Write the proportion equation
664,709.26 : 917,294.09 = 362,903.26 : x - Step 2: Convert to fraction form
664,709.26/917,294.09 = 362,903.26/x - Step 3: Cross multiply
664,709.26x = 917,294.09 × 362,903.26 - Step 4: Simplify right side
664,709.26x = 332,889,015,639.73 - Step 5: Solve for x
x = 332,889,015,639.73/664,709.26 - Step 6: Final answer
x = 500,803.94
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1.5x scale
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.