Finding the Fourth Proportional to 777,698.36, 1,166,508.66 and 304,470.44
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Solution
The fourth proportional to 777,698.36, 1,166,508.66 and 304,470.44 is: 456,690.44
Step by Step Solution
- Step 1: Write the proportion equation
777,698.36 : 1,166,508.66 = 304,470.44 : x - Step 2: Convert to fraction form
777,698.36/1,166,508.66 = 304,470.44/x - Step 3: Cross multiply
777,698.36x = 1,166,508.66 × 304,470.44 - Step 4: Simplify right side
777,698.36x = 355,167,404,974.01 - Step 5: Solve for x
x = 355,167,404,974.01/777,698.36 - Step 6: Final answer
x = 456,690.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.