Finding the Fourth Proportional to 840,699.92, 1,261,722.36 and 441,576.06
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Solution
The fourth proportional to 840,699.92, 1,261,722.36 and 441,576.06 is: 662,717.31
Step by Step Solution
- Step 1: Write the proportion equation
840,699.92 : 1,261,722.36 = 441,576.06 : x - Step 2: Convert to fraction form
840,699.92/1,261,722.36 = 441,576.06/x - Step 3: Cross multiply
840,699.92x = 1,261,722.36 × 441,576.06 - Step 4: Simplify right side
840,699.92x = 557,146,388,542.70 - Step 5: Solve for x
x = 557,146,388,542.70/840,699.92 - Step 6: Final answer
x = 662,717.31
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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.