Finding the Fourth Proportional to 748,169.26, 1,032,473.58 and 408,638.32
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Solution
The fourth proportional to 748,169.26, 1,032,473.58 and 408,638.32 is: 563,920.88
Step by Step Solution
- Step 1: Write the proportion equation
748,169.26 : 1,032,473.58 = 408,638.32 : x - Step 2: Convert to fraction form
748,169.26/1,032,473.58 = 408,638.32/x - Step 3: Cross multiply
748,169.26x = 1,032,473.58 × 408,638.32 - Step 4: Simplify right side
748,169.26x = 421,908,269,175.59 - Step 5: Solve for x
x = 421,908,269,175.59/748,169.26 - Step 6: Final answer
x = 563,920.88
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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.