Finding the Fourth Proportional to 567,228.68, 782,765.53 and 309,107.94
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Solution
The fourth proportional to 567,228.68, 782,765.53 and 309,107.94 is: 426,563.48
Step by Step Solution
- Step 1: Write the proportion equation
567,228.68 : 782,765.53 = 309,107.94 : x - Step 2: Convert to fraction form
567,228.68/782,765.53 = 309,107.94/x - Step 3: Cross multiply
567,228.68x = 782,765.53 × 309,107.94 - Step 4: Simplify right side
567,228.68x = 241,959,040,481.31 - Step 5: Solve for x
x = 241,959,040,481.31/567,228.68 - Step 6: Final answer
x = 426,563.48
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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.