Finding the Fourth Proportional to 744,936.84, 1,028,036.16 and 422,660.52
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Solution
The fourth proportional to 744,936.84, 1,028,036.16 and 422,660.52 is: 583,284.75
Step by Step Solution
- Step 1: Write the proportion equation
744,936.84 : 1,028,036.16 = 422,660.52 : x - Step 2: Convert to fraction form
744,936.84/1,028,036.16 = 422,660.52/x - Step 3: Cross multiply
744,936.84x = 1,028,036.16 × 422,660.52 - Step 4: Simplify right side
744,936.84x = 434,510,297,964.40 - Step 5: Solve for x
x = 434,510,297,964.40/744,936.84 - Step 6: Final answer
x = 583,284.75
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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.