Finding the Fourth Proportional to 984,251.68, 1,358,267.20 and 531,542.56
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Solution
The fourth proportional to 984,251.68, 1,358,267.20 and 531,542.56 is: 733,528.67
Step by Step Solution
- Step 1: Write the proportion equation
984,251.68 : 1,358,267.20 = 531,542.56 : x - Step 2: Convert to fraction form
984,251.68/1,358,267.20 = 531,542.56/x - Step 3: Cross multiply
984,251.68x = 1,358,267.20 × 531,542.56 - Step 4: Simplify right side
984,251.68x = 721,976,824,652.03 - Step 5: Solve for x
x = 721,976,824,652.03/984,251.68 - Step 6: Final answer
x = 733,528.67
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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.