Finding the Fourth Proportional to 567,390.24, 782,988.84 and 312,765.12
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Solution
The fourth proportional to 567,390.24, 782,988.84 and 312,765.12 is: 431,610.52
Step by Step Solution
- Step 1: Write the proportion equation
567,390.24 : 782,988.84 = 312,765.12 : x - Step 2: Convert to fraction form
567,390.24/782,988.84 = 312,765.12/x - Step 3: Cross multiply
567,390.24x = 782,988.84 × 312,765.12 - Step 4: Simplify right side
567,390.24x = 244,891,598,501.26 - Step 5: Solve for x
x = 244,891,598,501.26/567,390.24 - Step 6: Final answer
x = 431,610.52
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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.