Finding the Fourth Proportional to 768,351.49, 1,060,463.88 and 458,273.97
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Solution
The fourth proportional to 768,351.49, 1,060,463.88 and 458,273.97 is: 632,500.88
Step by Step Solution
- Step 1: Write the proportion equation
768,351.49 : 1,060,463.88 = 458,273.97 : x - Step 2: Convert to fraction form
768,351.49/1,060,463.88 = 458,273.97/x - Step 3: Cross multiply
768,351.49x = 1,060,463.88 × 458,273.97 - Step 4: Simplify right side
768,351.49x = 485,982,992,329.20 - Step 5: Solve for x
x = 485,982,992,329.20/768,351.49 - Step 6: Final answer
x = 632,500.88
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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.