Finding the Fourth Proportional to 734,238.19, 1,101,357.29 and 260,942.23
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Solution
The fourth proportional to 734,238.19, 1,101,357.29 and 260,942.23 is: 391,413.35
Step by Step Solution
- Step 1: Write the proportion equation
734,238.19 : 1,101,357.29 = 260,942.23 : x - Step 2: Convert to fraction form
734,238.19/1,101,357.29 = 260,942.23/x - Step 3: Cross multiply
734,238.19x = 1,101,357.29 × 260,942.23 - Step 4: Simplify right side
734,238.19x = 287,390,627,279.36 - Step 5: Solve for x
x = 287,390,627,279.36/734,238.19 - Step 6: Final answer
x = 391,413.35
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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.