Finding the Fourth Proportional to 804,214.12, 1,110,193.38 and 464,616.76
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Solution
The fourth proportional to 804,214.12, 1,110,193.38 and 464,616.76 is: 641,389.45
Step by Step Solution
- Step 1: Write the proportion equation
804,214.12 : 1,110,193.38 = 464,616.76 : x - Step 2: Convert to fraction form
804,214.12/1,110,193.38 = 464,616.76/x - Step 3: Cross multiply
804,214.12x = 1,110,193.38 × 464,616.76 - Step 4: Simplify right side
804,214.12x = 515,814,451,189.05 - Step 5: Solve for x
x = 515,814,451,189.05/804,214.12 - Step 6: Final answer
x = 641,389.45
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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.