Finding the Fourth Proportional to 636,552.70, 878,425.18 and 350,072.75
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Solution
The fourth proportional to 636,552.70, 878,425.18 and 350,072.75 is: 483,090.75
Step by Step Solution
- Step 1: Write the proportion equation
636,552.70 : 878,425.18 = 350,072.75 : x - Step 2: Convert to fraction form
636,552.70/878,425.18 = 350,072.75/x - Step 3: Cross multiply
636,552.70x = 878,425.18 × 350,072.75 - Step 4: Simplify right side
636,552.70x = 307,512,718,431.85 - Step 5: Solve for x
x = 307,512,718,431.85/636,552.70 - Step 6: Final answer
x = 483,090.75
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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.