Finding the Fourth Proportional to 734,743.10, 1,102,114.65 and 202,346.30
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Solution
The fourth proportional to 734,743.10, 1,102,114.65 and 202,346.30 is: 303,519.45
Step by Step Solution
- Step 1: Write the proportion equation
734,743.10 : 1,102,114.65 = 202,346.30 : x - Step 2: Convert to fraction form
734,743.10/1,102,114.65 = 202,346.30/x - Step 3: Cross multiply
734,743.10x = 1,102,114.65 × 202,346.30 - Step 4: Simplify right side
734,743.10x = 223,008,821,603.30 - Step 5: Solve for x
x = 223,008,821,603.30/734,743.10 - Step 6: Final answer
x = 303,519.45
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Double scale
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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.