Finding the Fourth Proportional to 984,689.91, 1,476,443.34 and 384,936.75
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Solution
The fourth proportional to 984,689.91, 1,476,443.34 and 384,936.75 is: 577,173.88
Step by Step Solution
- Step 1: Write the proportion equation
984,689.91 : 1,476,443.34 = 384,936.75 : x - Step 2: Convert to fraction form
984,689.91/1,476,443.34 = 384,936.75/x - Step 3: Cross multiply
984,689.91x = 1,476,443.34 × 384,936.75 - Step 4: Simplify right side
984,689.91x = 568,337,300,858.75 - Step 5: Solve for x
x = 568,337,300,858.75/984,689.91 - Step 6: Final answer
x = 577,173.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.