Finding the Fourth Proportional to 517,789.97, 714,182.07 and 345,621.12
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Solution
The fourth proportional to 517,789.97, 714,182.07 and 345,621.12 is: 476,711.45
Step by Step Solution
- Step 1: Write the proportion equation
517,789.97 : 714,182.07 = 345,621.12 : x - Step 2: Convert to fraction form
517,789.97/714,182.07 = 345,621.12/x - Step 3: Cross multiply
517,789.97x = 714,182.07 × 345,621.12 - Step 4: Simplify right side
517,789.97x = 246,836,405,189.21 - Step 5: Solve for x
x = 246,836,405,189.21/517,789.97 - Step 6: Final answer
x = 476,711.45
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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.