Finding the Fourth Proportional to 734,239.19, 1,101,358.79 and 260,943.23
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Solution
The fourth proportional to 734,239.19, 1,101,358.79 and 260,943.23 is: 391,414.85
Step by Step Solution
- Step 1: Write the proportion equation
734,239.19 : 1,101,358.79 = 260,943.23 : x - Step 2: Convert to fraction form
734,239.19/1,101,358.79 = 260,943.23/x - Step 3: Cross multiply
734,239.19x = 1,101,358.79 × 260,943.23 - Step 4: Simplify right side
734,239.19x = 287,392,120,051.49 - Step 5: Solve for x
x = 287,392,120,051.49/734,239.19 - Step 6: Final answer
x = 391,414.85
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Similar ratio
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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.