Finding the Fourth Proportional to 940,882.71, 1,298,424.36 and 511,162.73
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Solution
The fourth proportional to 940,882.71, 1,298,424.36 and 511,162.73 is: 705,407.95
Step by Step Solution
- Step 1: Write the proportion equation
940,882.71 : 1,298,424.36 = 511,162.73 : x - Step 2: Convert to fraction form
940,882.71/1,298,424.36 = 511,162.73/x - Step 3: Cross multiply
940,882.71x = 1,298,424.36 × 511,162.73 - Step 4: Simplify right side
940,882.71x = 663,706,140,556.10 - Step 5: Solve for x
x = 663,706,140,556.10/940,882.71 - Step 6: Final answer
x = 705,407.95
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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.