Finding the Fourth Proportional to 725,208.02, 1,087,647.99 and 275,768.62
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Solution
The fourth proportional to 725,208.02, 1,087,647.99 and 275,768.62 is: 413,590.55
Step by Step Solution
- Step 1: Write the proportion equation
725,208.02 : 1,087,647.99 = 275,768.62 : x - Step 2: Convert to fraction form
725,208.02/1,087,647.99 = 275,768.62/x - Step 3: Cross multiply
725,208.02x = 1,087,647.99 × 275,768.62 - Step 4: Simplify right side
725,208.02x = 299,939,185,248.07 - Step 5: Solve for x
x = 299,939,185,248.07/725,208.02 - Step 6: Final answer
x = 413,590.55
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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.