Finding the Fourth Proportional to 664,761.44, 917,370.42 and 362,955.44
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Solution
The fourth proportional to 664,761.44, 917,370.42 and 362,955.44 is: 500,878.31
Step by Step Solution
- Step 1: Write the proportion equation
664,761.44 : 917,370.42 = 362,955.44 : x - Step 2: Convert to fraction form
664,761.44/917,370.42 = 362,955.44/x - Step 3: Cross multiply
664,761.44x = 917,370.42 × 362,955.44 - Step 4: Simplify right side
664,761.44x = 332,964,584,434.09 - Step 5: Solve for x
x = 332,964,584,434.09/664,761.44 - Step 6: Final answer
x = 500,878.31
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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.