Finding the Fourth Proportional to 793,212.30, 1,190,023.49 and 343,829.36
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Solution
The fourth proportional to 793,212.30, 1,190,023.49 and 343,829.36 is: 515,832.92
Step by Step Solution
- Step 1: Write the proportion equation
793,212.30 : 1,190,023.49 = 343,829.36 : x - Step 2: Convert to fraction form
793,212.30/1,190,023.49 = 343,829.36/x - Step 3: Cross multiply
793,212.30x = 1,190,023.49 × 343,829.36 - Step 4: Simplify right side
793,212.30x = 409,165,018,786.30 - Step 5: Solve for x
x = 409,165,018,786.30/793,212.30 - Step 6: Final answer
x = 515,832.92
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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.