Finding the Fourth Proportional to 567,193.03, 782,742.79 and 312,560.62
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Solution
The fourth proportional to 567,193.03, 782,742.79 and 312,560.62 is: 431,342.70
Step by Step Solution
- Step 1: Write the proportion equation
567,193.03 : 782,742.79 = 312,560.62 : x - Step 2: Convert to fraction form
567,193.03/782,742.79 = 312,560.62/x - Step 3: Cross multiply
567,193.03x = 782,742.79 × 312,560.62 - Step 4: Simplify right side
567,193.03x = 244,654,571,742.93 - Step 5: Solve for x
x = 244,654,571,742.93/567,193.03 - Step 6: Final answer
x = 431,342.70
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1.5x scale
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.