Finding the Fourth Proportional to 984,238.63, 1,358,249.31 and 531,529.63
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Solution
The fourth proportional to 984,238.63, 1,358,249.31 and 531,529.63 is: 733,510.89
Step by Step Solution
- Step 1: Write the proportion equation
984,238.63 : 1,358,249.31 = 531,529.63 : x - Step 2: Convert to fraction form
984,238.63/1,358,249.31 = 531,529.63/x - Step 3: Cross multiply
984,238.63x = 1,358,249.31 × 531,529.63 - Step 4: Simplify right side
984,238.63x = 721,949,753,192.06 - Step 5: Solve for x
x = 721,949,753,192.06/984,238.63 - Step 6: Final answer
x = 733,510.89
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1.5x scale
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.