Finding the Fourth Proportional to 730,020.24, 1,096,974.36 and 393,319.44
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Solution
The fourth proportional to 730,020.24, 1,096,974.36 and 393,319.44 is: 591,026.55
Step by Step Solution
- Step 1: Write the proportion equation
730,020.24 : 1,096,974.36 = 393,319.44 : x - Step 2: Convert to fraction form
730,020.24/1,096,974.36 = 393,319.44/x - Step 3: Cross multiply
730,020.24x = 1,096,974.36 × 393,319.44 - Step 4: Simplify right side
730,020.24x = 431,461,340,969.56 - Step 5: Solve for x
x = 431,461,340,969.56/730,020.24 - Step 6: Final answer
x = 591,026.55
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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.