Finding the Fourth Proportional to 898,442.11, 1,239,833.49 and 511,248.95
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Solution
The fourth proportional to 898,442.11, 1,239,833.49 and 511,248.95 is: 705,514.09
Step by Step Solution
- Step 1: Write the proportion equation
898,442.11 : 1,239,833.49 = 511,248.95 : x - Step 2: Convert to fraction form
898,442.11/1,239,833.49 = 511,248.95/x - Step 3: Cross multiply
898,442.11x = 1,239,833.49 × 511,248.95 - Step 4: Simplify right side
898,442.11x = 633,863,566,470.36 - Step 5: Solve for x
x = 633,863,566,470.36/898,442.11 - Step 6: Final answer
x = 705,514.09
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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.