Finding the Fourth Proportional to 967,087.76, 1,450,921.41 and 390,414.13
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Solution
The fourth proportional to 967,087.76, 1,450,921.41 and 390,414.13 is: 585,738.17
Step by Step Solution
- Step 1: Write the proportion equation
967,087.76 : 1,450,921.41 = 390,414.13 : x - Step 2: Convert to fraction form
967,087.76/1,450,921.41 = 390,414.13/x - Step 3: Cross multiply
967,087.76x = 1,450,921.41 × 390,414.13 - Step 4: Simplify right side
967,087.76x = 566,460,216,356.22 - Step 5: Solve for x
x = 566,460,216,356.22/967,087.76 - Step 6: Final answer
x = 585,738.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.