Finding the Fourth Proportional to 823,837.48, 1,137,015.08 and 461,284.70
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Solution
The fourth proportional to 823,837.48, 1,137,015.08 and 461,284.70 is: 636,639.72
Step by Step Solution
- Step 1: Write the proportion equation
823,837.48 : 1,137,015.08 = 461,284.70 : x - Step 2: Convert to fraction form
823,837.48/1,137,015.08 = 461,284.70/x - Step 3: Cross multiply
823,837.48x = 1,137,015.08 × 461,284.70 - Step 4: Simplify right side
823,837.48x = 524,487,662,339.21 - Step 5: Solve for x
x = 524,487,662,339.21/823,837.48 - Step 6: Final answer
x = 636,639.72
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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.