Finding the Fourth Proportional to 984,238.74, 1,358,249.34 and 531,529.74
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Solution
The fourth proportional to 984,238.74, 1,358,249.34 and 531,529.74 is: 733,510.98
Step by Step Solution
- Step 1: Write the proportion equation
984,238.74 : 1,358,249.34 = 531,529.74 : x - Step 2: Convert to fraction form
984,238.74/1,358,249.34 = 531,529.74/x - Step 3: Cross multiply
984,238.74x = 1,358,249.34 × 531,529.74 - Step 4: Simplify right side
984,238.74x = 721,949,918,545.37 - Step 5: Solve for x
x = 721,949,918,545.37/984,238.74 - Step 6: Final answer
x = 733,510.98
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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.