Finding the Fourth Proportional to 763,395.36, 1,053,844.19 and 441,043.17
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Solution
The fourth proportional to 763,395.36, 1,053,844.19 and 441,043.17 is: 608,846.75
Step by Step Solution
- Step 1: Write the proportion equation
763,395.36 : 1,053,844.19 = 441,043.17 : x - Step 2: Convert to fraction form
763,395.36/1,053,844.19 = 441,043.17/x - Step 3: Cross multiply
763,395.36x = 1,053,844.19 × 441,043.17 - Step 4: Simplify right side
763,395.36x = 464,790,782,243.68 - Step 5: Solve for x
x = 464,790,782,243.68/763,395.36 - Step 6: Final answer
x = 608,846.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.