Finding the Fourth Proportional to 511,614.79, 767,954.46 and 376,831.05
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Solution
The fourth proportional to 511,614.79, 767,954.46 and 376,831.05 is: 565,638.63
Step by Step Solution
- Step 1: Write the proportion equation
511,614.79 : 767,954.46 = 376,831.05 : x - Step 2: Convert to fraction form
511,614.79/767,954.46 = 376,831.05/x - Step 3: Cross multiply
511,614.79x = 767,954.46 × 376,831.05 - Step 4: Simplify right side
511,614.79x = 289,389,084,750.61 - Step 5: Solve for x
x = 289,389,084,750.61/511,614.79 - Step 6: Final answer
x = 565,638.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.