Finding the Fourth Proportional to 914,406.96, 1,261,837.76 and 506,481.28
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Solution
The fourth proportional to 914,406.96, 1,261,837.76 and 506,481.28 is: 698,919.88
Step by Step Solution
- Step 1: Write the proportion equation
914,406.96 : 1,261,837.76 = 506,481.28 : x - Step 2: Convert to fraction form
914,406.96/1,261,837.76 = 506,481.28/x - Step 3: Cross multiply
914,406.96x = 1,261,837.76 × 506,481.28 - Step 4: Simplify right side
914,406.96x = 639,097,203,837.13 - Step 5: Solve for x
x = 639,097,203,837.13/914,406.96 - Step 6: Final answer
x = 698,919.88
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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.