Finding the Fourth Proportional to 984,433.20, 1,358,546.04 and 554,689.68
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Solution
The fourth proportional to 984,433.20, 1,358,546.04 and 554,689.68 is: 765,487.66
Step by Step Solution
- Step 1: Write the proportion equation
984,433.20 : 1,358,546.04 = 554,689.68 : x - Step 2: Convert to fraction form
984,433.20/1,358,546.04 = 554,689.68/x - Step 3: Cross multiply
984,433.20x = 1,358,546.04 × 554,689.68 - Step 4: Simplify right side
984,433.20x = 753,571,468,192.87 - Step 5: Solve for x
x = 753,571,468,192.87/984,433.20 - Step 6: Final answer
x = 765,487.66
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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.