Finding the Fourth Proportional to 1,313,220.24, 1,812,241.08 and 709,608.24
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Solution
The fourth proportional to 1,313,220.24, 1,812,241.08 and 709,608.24 is: 979,257.83
Step by Step Solution
- Step 1: Write the proportion equation
1,313,220.24 : 1,812,241.08 = 709,608.24 : x - Step 2: Convert to fraction form
1,313,220.24/1,812,241.08 = 709,608.24/x - Step 3: Cross multiply
1,313,220.24x = 1,812,241.08 × 709,608.24 - Step 4: Simplify right side
1,313,220.24x = 1,285,981,203,234.50 - Step 5: Solve for x
x = 1,285,981,203,234.50/1,313,220.24 - Step 6: Final answer
x = 979,257.83
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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.