Finding the Fourth Proportional to 622,780.97, 859,440.36 and 350,852.12
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Solution
The fourth proportional to 622,780.97, 859,440.36 and 350,852.12 is: 484,177.40
Step by Step Solution
- Step 1: Write the proportion equation
622,780.97 : 859,440.36 = 350,852.12 : x - Step 2: Convert to fraction form
622,780.97/859,440.36 = 350,852.12/x - Step 3: Cross multiply
622,780.97x = 859,440.36 × 350,852.12 - Step 4: Simplify right side
622,780.97x = 301,536,468,416.70 - Step 5: Solve for x
x = 301,536,468,416.70/622,780.97 - Step 6: Final answer
x = 484,177.40
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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.