Finding the Fourth Proportional to 748,164.75, 1,032,467.36 and 408,633.81
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Solution
The fourth proportional to 748,164.75, 1,032,467.36 and 408,633.81 is: 563,914.66
Step by Step Solution
- Step 1: Write the proportion equation
748,164.75 : 1,032,467.36 = 408,633.81 : x - Step 2: Convert to fraction form
748,164.75/1,032,467.36 = 408,633.81/x - Step 3: Cross multiply
748,164.75x = 1,032,467.36 × 408,633.81 - Step 4: Simplify right side
748,164.75x = 421,901,068,974.27 - Step 5: Solve for x
x = 421,901,068,974.27/748,164.75 - Step 6: Final answer
x = 563,914.66
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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.