Finding the Fourth Proportional to 744,247.29, 1,027,030.26 and 421,979.19
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Solution
The fourth proportional to 744,247.29, 1,027,030.26 and 421,979.19 is: 582,313.71
Step by Step Solution
- Step 1: Write the proportion equation
744,247.29 : 1,027,030.26 = 421,979.19 : x - Step 2: Convert to fraction form
744,247.29/1,027,030.26 = 421,979.19/x - Step 3: Cross multiply
744,247.29x = 1,027,030.26 × 421,979.19 - Step 4: Simplify right side
744,247.29x = 433,385,397,220.29 - Step 5: Solve for x
x = 433,385,397,220.29/744,247.29 - Step 6: Final answer
x = 582,313.71
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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.