Finding the Fourth Proportional to 797,697.77, 1,195,548.81 and 398,449.99
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Solution
The fourth proportional to 797,697.77, 1,195,548.81 and 398,449.99 is: 597,176.56
Step by Step Solution
- Step 1: Write the proportion equation
797,697.77 : 1,195,548.81 = 398,449.99 : x - Step 2: Convert to fraction form
797,697.77/1,195,548.81 = 398,449.99/x - Step 3: Cross multiply
797,697.77x = 1,195,548.81 × 398,449.99 - Step 4: Simplify right side
797,697.77x = 476,366,406,905.58 - Step 5: Solve for x
x = 476,366,406,905.58/797,697.77 - Step 6: Final answer
x = 597,176.56
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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.