Finding the Fourth Proportional to 725,220.24, 1,087,830.30 and 275,837.31
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Solution
The fourth proportional to 725,220.24, 1,087,830.30 and 275,837.31 is: 413,755.94
Step by Step Solution
- Step 1: Write the proportion equation
725,220.24 : 1,087,830.30 = 275,837.31 : x - Step 2: Convert to fraction form
725,220.24/1,087,830.30 = 275,837.31/x - Step 3: Cross multiply
725,220.24x = 1,087,830.30 × 275,837.31 - Step 4: Simplify right side
725,220.24x = 300,064,183,688.49 - Step 5: Solve for x
x = 300,064,183,688.49/725,220.24 - Step 6: Final answer
x = 413,755.94
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1.5x scale
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.