Finding the Fourth Proportional to 806,852.91, 1,210,285.85 and 274,494.99
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Solution
The fourth proportional to 806,852.91, 1,210,285.85 and 274,494.99 is: 411,744.69
Step by Step Solution
- Step 1: Write the proportion equation
806,852.91 : 1,210,285.85 = 274,494.99 : x - Step 2: Convert to fraction form
806,852.91/1,210,285.85 = 274,494.99/x - Step 3: Cross multiply
806,852.91x = 1,210,285.85 × 274,494.99 - Step 4: Simplify right side
806,852.91x = 332,217,400,920.42 - Step 5: Solve for x
x = 332,217,400,920.42/806,852.91 - Step 6: Final answer
x = 411,744.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.