Finding the Fourth Proportional to 925,487.77, 1,388,262.38 and 318,270.09
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Solution
The fourth proportional to 925,487.77, 1,388,262.38 and 318,270.09 is: 477,415.70
Step by Step Solution
- Step 1: Write the proportion equation
925,487.77 : 1,388,262.38 = 318,270.09 : x - Step 2: Convert to fraction form
925,487.77/1,388,262.38 = 318,270.09/x - Step 3: Cross multiply
925,487.77x = 1,388,262.38 × 318,270.09 - Step 4: Simplify right side
925,487.77x = 441,842,392,626.21 - Step 5: Solve for x
x = 441,842,392,626.21/925,487.77 - Step 6: Final answer
x = 477,415.70
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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.