Finding the Fourth Proportional to 554,245.07, 765,064.97 and 431,494.23
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Solution
The fourth proportional to 554,245.07, 765,064.97 and 431,494.23 is: 595,623.02
Step by Step Solution
- Step 1: Write the proportion equation
554,245.07 : 765,064.97 = 431,494.23 : x - Step 2: Convert to fraction form
554,245.07/765,064.97 = 431,494.23/x - Step 3: Cross multiply
554,245.07x = 765,064.97 × 431,494.23 - Step 4: Simplify right side
554,245.07x = 330,121,121,208.86 - Step 5: Solve for x
x = 330,121,121,208.86/554,245.07 - Step 6: Final answer
x = 595,623.02
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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.