Finding the Fourth Proportional to 677,420.41, 1,016,194.19 and 245,245.98
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Solution
The fourth proportional to 677,420.41, 1,016,194.19 and 245,245.98 is: 367,891.99
Step by Step Solution
- Step 1: Write the proportion equation
677,420.41 : 1,016,194.19 = 245,245.98 : x - Step 2: Convert to fraction form
677,420.41/1,016,194.19 = 245,245.98/x - Step 3: Cross multiply
677,420.41x = 1,016,194.19 × 245,245.98 - Step 4: Simplify right side
677,420.41x = 249,217,539,996.86 - Step 5: Solve for x
x = 249,217,539,996.86/677,420.41 - Step 6: Final answer
x = 367,891.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.