Finding the Fourth Proportional to 987,634.29, 1,363,045.99 and 557,942.12
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Solution
The fourth proportional to 987,634.29, 1,363,045.99 and 557,942.12 is: 770,022.64
Step by Step Solution
- Step 1: Write the proportion equation
987,634.29 : 1,363,045.99 = 557,942.12 : x - Step 2: Convert to fraction form
987,634.29/1,363,045.99 = 557,942.12/x - Step 3: Cross multiply
987,634.29x = 1,363,045.99 × 557,942.12 - Step 4: Simplify right side
987,634.29x = 760,500,761,108.01 - Step 5: Solve for x
x = 760,500,761,108.01/987,634.29 - Step 6: Final answer
x = 770,022.64
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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.