Finding the Fourth Proportional to 815,540.04, 1,125,469.62 and 493,309.08
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Solution
The fourth proportional to 815,540.04, 1,125,469.62 and 493,309.08 is: 680,781.27
Step by Step Solution
- Step 1: Write the proportion equation
815,540.04 : 1,125,469.62 = 493,309.08 : x - Step 2: Convert to fraction form
815,540.04/1,125,469.62 = 493,309.08/x - Step 3: Cross multiply
815,540.04x = 1,125,469.62 × 493,309.08 - Step 4: Simplify right side
815,540.04x = 555,204,382,810.15 - Step 5: Solve for x
x = 555,204,382,810.15/815,540.04 - Step 6: Final answer
x = 680,781.27
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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.