Finding the Fourth Proportional to 730,831.80, 1,096,247.70 and 357,583.80
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Solution
The fourth proportional to 730,831.80, 1,096,247.70 and 357,583.80 is: 536,375.70
Step by Step Solution
- Step 1: Write the proportion equation
730,831.80 : 1,096,247.70 = 357,583.80 : x - Step 2: Convert to fraction form
730,831.80/1,096,247.70 = 357,583.80/x - Step 3: Cross multiply
730,831.80x = 1,096,247.70 × 357,583.80 - Step 4: Simplify right side
730,831.80x = 392,000,418,307.26 - Step 5: Solve for x
x = 392,000,418,307.26/730,831.80 - Step 6: Final answer
x = 536,375.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.