Finding the Fourth Proportional to 748,771.62, 1,034,157.24 and 503,330.24
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Solution
The fourth proportional to 748,771.62, 1,034,157.24 and 503,330.24 is: 695,168.72
Step by Step Solution
- Step 1: Write the proportion equation
748,771.62 : 1,034,157.24 = 503,330.24 : x - Step 2: Convert to fraction form
748,771.62/1,034,157.24 = 503,330.24/x - Step 3: Cross multiply
748,771.62x = 1,034,157.24 × 503,330.24 - Step 4: Simplify right side
748,771.62x = 520,522,606,636.15 - Step 5: Solve for x
x = 520,522,606,636.15/748,771.62 - Step 6: Final answer
x = 695,168.72
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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.