Finding the Fourth Proportional to 939,804.66, 1,295,949.78 and 557,757.63
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Solution
The fourth proportional to 939,804.66, 1,295,949.78 and 557,757.63 is: 769,123.53
Step by Step Solution
- Step 1: Write the proportion equation
939,804.66 : 1,295,949.78 = 557,757.63 : x - Step 2: Convert to fraction form
939,804.66/1,295,949.78 = 557,757.63/x - Step 3: Cross multiply
939,804.66x = 1,295,949.78 × 557,757.63 - Step 4: Simplify right side
939,804.66x = 722,825,877,891.82 - Step 5: Solve for x
x = 722,825,877,891.82/939,804.66 - Step 6: Final answer
x = 769,123.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.