Finding the Fourth Proportional to 748,304.14, 1,032,682.41 and 408,794.26
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Solution
The fourth proportional to 748,304.14, 1,032,682.41 and 408,794.26 is: 564,148.48
Step by Step Solution
- Step 1: Write the proportion equation
748,304.14 : 1,032,682.41 = 408,794.26 : x - Step 2: Convert to fraction form
748,304.14/1,032,682.41 = 408,794.26/x - Step 3: Cross multiply
748,304.14x = 1,032,682.41 × 408,794.26 - Step 4: Simplify right side
748,304.14x = 422,154,641,610.97 - Step 5: Solve for x
x = 422,154,641,610.97/748,304.14 - Step 6: Final answer
x = 564,148.48
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1.5x scale
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.