Finding the Fourth Proportional to 777,354.87, 1,166,654.40 and 403,484.79
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Solution
The fourth proportional to 777,354.87, 1,166,654.40 and 403,484.79 is: 605,550.08
Step by Step Solution
- Step 1: Write the proportion equation
777,354.87 : 1,166,654.40 = 403,484.79 : x - Step 2: Convert to fraction form
777,354.87/1,166,654.40 = 403,484.79/x - Step 3: Cross multiply
777,354.87x = 1,166,654.40 × 403,484.79 - Step 4: Simplify right side
777,354.87x = 470,727,305,586.58 - Step 5: Solve for x
x = 470,727,305,586.58/777,354.87 - Step 6: Final answer
x = 605,550.08
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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.