Finding the Fourth Proportional to 549,201.60, 821,527.68 and 515,609.28
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Solution
The fourth proportional to 549,201.60, 821,527.68 and 515,609.28 is: 771,278.33
Step by Step Solution
- Step 1: Write the proportion equation
549,201.60 : 821,527.68 = 515,609.28 : x - Step 2: Convert to fraction form
549,201.60/821,527.68 = 515,609.28/x - Step 3: Cross multiply
549,201.60x = 821,527.68 × 515,609.28 - Step 4: Simplify right side
549,201.60x = 423,587,295,584.87 - Step 5: Solve for x
x = 423,587,295,584.87/549,201.60 - Step 6: Final answer
x = 771,278.33
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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.