Finding the Fourth Proportional to 938,832.62, 1,295,589.33 and 509,112.63
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Solution
The fourth proportional to 938,832.62, 1,295,589.33 and 509,112.63 is: 702,575.60
Step by Step Solution
- Step 1: Write the proportion equation
938,832.62 : 1,295,589.33 = 509,112.63 : x - Step 2: Convert to fraction form
938,832.62/1,295,589.33 = 509,112.63/x - Step 3: Cross multiply
938,832.62x = 1,295,589.33 × 509,112.63 - Step 4: Simplify right side
938,832.62x = 659,600,891,196.24 - Step 5: Solve for x
x = 659,600,891,196.24/938,832.62 - Step 6: Final answer
x = 702,575.60
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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.