Finding the Fourth Proportional to 798,470.72, 1,101,888.53 and 511,990.12
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Solution
The fourth proportional to 798,470.72, 1,101,888.53 and 511,990.12 is: 706,545.69
Step by Step Solution
- Step 1: Write the proportion equation
798,470.72 : 1,101,888.53 = 511,990.12 : x - Step 2: Convert to fraction form
798,470.72/1,101,888.53 = 511,990.12/x - Step 3: Cross multiply
798,470.72x = 1,101,888.53 × 511,990.12 - Step 4: Simplify right side
798,470.72x = 564,156,044,318.64 - Step 5: Solve for x
x = 564,156,044,318.64/798,470.72 - Step 6: Final answer
x = 706,545.69
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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.