Finding the Fourth Proportional to 892,064.70, 1,230,489.36 and 529,231.68
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Solution
The fourth proportional to 892,064.70, 1,230,489.36 and 529,231.68 is: 730,007.53
Step by Step Solution
- Step 1: Write the proportion equation
892,064.70 : 1,230,489.36 = 529,231.68 : x - Step 2: Convert to fraction form
892,064.70/1,230,489.36 = 529,231.68/x - Step 3: Cross multiply
892,064.70x = 1,230,489.36 × 529,231.68 - Step 4: Simplify right side
892,064.70x = 651,213,951,214.93 - Step 5: Solve for x
x = 651,213,951,214.93/892,064.70 - Step 6: Final answer
x = 730,007.53
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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.