Finding the Fourth Proportional to 576,647.49, 795,770.36 and 318,542.19
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Solution
The fourth proportional to 576,647.49, 795,770.36 and 318,542.19 is: 439,586.47
Step by Step Solution
- Step 1: Write the proportion equation
576,647.49 : 795,770.36 = 318,542.19 : x - Step 2: Convert to fraction form
576,647.49/795,770.36 = 318,542.19/x - Step 3: Cross multiply
576,647.49x = 795,770.36 × 318,542.19 - Step 4: Simplify right side
576,647.49x = 253,486,432,851.62 - Step 5: Solve for x
x = 253,486,432,851.62/576,647.49 - Step 6: Final answer
x = 439,586.47
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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.