Finding the Fourth Proportional to 876,185.44, 1,209,135.90 and 473,777.44
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Solution
The fourth proportional to 876,185.44, 1,209,135.90 and 473,777.44 is: 653,812.86
Step by Step Solution
- Step 1: Write the proportion equation
876,185.44 : 1,209,135.90 = 473,777.44 : x - Step 2: Convert to fraction form
876,185.44/1,209,135.90 = 473,777.44/x - Step 3: Cross multiply
876,185.44x = 1,209,135.90 × 473,777.44 - Step 4: Simplify right side
876,185.44x = 572,861,310,067.92 - Step 5: Solve for x
x = 572,861,310,067.92/876,185.44 - Step 6: Final answer
x = 653,812.86
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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.