Finding the Fourth Proportional to 925,396.97, 1,276,534.91 and 538,169.99
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Solution
The fourth proportional to 925,396.97, 1,276,534.91 and 538,169.99 is: 742,376.30
Step by Step Solution
- Step 1: Write the proportion equation
925,396.97 : 1,276,534.91 = 538,169.99 : x - Step 2: Convert to fraction form
925,396.97/1,276,534.91 = 538,169.99/x - Step 3: Cross multiply
925,396.97x = 1,276,534.91 × 538,169.99 - Step 4: Simplify right side
925,396.97x = 686,992,777,058.50 - Step 5: Solve for x
x = 686,992,777,058.50/925,396.97 - Step 6: Final answer
x = 742,376.30
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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.