Finding the Fourth Proportional to 802,733.79, 1,107,785.12 and 440,190.75
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Solution
The fourth proportional to 802,733.79, 1,107,785.12 and 440,190.75 is: 607,470.08
Step by Step Solution
- Step 1: Write the proportion equation
802,733.79 : 1,107,785.12 = 440,190.75 : x - Step 2: Convert to fraction form
802,733.79/1,107,785.12 = 440,190.75/x - Step 3: Cross multiply
802,733.79x = 1,107,785.12 × 440,190.75 - Step 4: Simplify right side
802,733.79x = 487,636,760,610.69 - Step 5: Solve for x
x = 487,636,760,610.69/802,733.79 - Step 6: Final answer
x = 607,470.08
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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.