Finding the Fourth Proportional to 744,253.29, 1,027,038.54 and 421,985.19
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Solution
The fourth proportional to 744,253.29, 1,027,038.54 and 421,985.19 is: 582,321.99
Step by Step Solution
- Step 1: Write the proportion equation
744,253.29 : 1,027,038.54 = 421,985.19 : x - Step 2: Convert to fraction form
744,253.29/1,027,038.54 = 421,985.19/x - Step 3: Cross multiply
744,253.29x = 1,027,038.54 × 421,985.19 - Step 4: Simplify right side
744,253.29x = 433,395,053,439.22 - Step 5: Solve for x
x = 433,395,053,439.22/744,253.29 - Step 6: Final answer
x = 582,321.99
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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.