Finding the Fourth Proportional to 1,040,837.24, 1,560,921.44 and 330,699.31
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Solution
The fourth proportional to 1,040,837.24, 1,560,921.44 and 330,699.31 is: 495,942.71
Step by Step Solution
- Step 1: Write the proportion equation
1,040,837.24 : 1,560,921.44 = 330,699.31 : x - Step 2: Convert to fraction form
1,040,837.24/1,560,921.44 = 330,699.31/x - Step 3: Cross multiply
1,040,837.24x = 1,560,921.44 × 330,699.31 - Step 4: Simplify right side
1,040,837.24x = 516,195,637,616.41 - Step 5: Solve for x
x = 516,195,637,616.41/1,040,837.24 - Step 6: Final answer
x = 495,942.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.