Finding the Fourth Proportional to 743,118.27, 1,115,106.41 and 401,562.87
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Solution
The fourth proportional to 743,118.27, 1,115,106.41 and 401,562.87 is: 602,576.13
Step by Step Solution
- Step 1: Write the proportion equation
743,118.27 : 1,115,106.41 = 401,562.87 : x - Step 2: Convert to fraction form
743,118.27/1,115,106.41 = 401,562.87/x - Step 3: Cross multiply
743,118.27x = 1,115,106.41 × 401,562.87 - Step 4: Simplify right side
743,118.27x = 447,785,330,355.00 - Step 5: Solve for x
x = 447,785,330,355.00/743,118.27 - Step 6: Final answer
x = 602,576.13
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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.