Finding the Fourth Proportional to 511,831.44, 706,553.87 and 330,631.70
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Solution
The fourth proportional to 511,831.44, 706,553.87 and 330,631.70 is: 456,418.04
Step by Step Solution
- Step 1: Write the proportion equation
511,831.44 : 706,553.87 = 330,631.70 : x - Step 2: Convert to fraction form
511,831.44/706,553.87 = 330,631.70/x - Step 3: Cross multiply
511,831.44x = 706,553.87 × 330,631.70 - Step 4: Simplify right side
511,831.44x = 233,609,101,993.75 - Step 5: Solve for x
x = 233,609,101,993.75/511,831.44 - Step 6: Final answer
x = 456,418.04
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.