Finding the Fourth Proportional to 1,010,466.24, 1,394,443.20 and 557,757.12
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Solution
The fourth proportional to 1,010,466.24, 1,394,443.20 and 557,757.12 is: 769,704.71
Step by Step Solution
- Step 1: Write the proportion equation
1,010,466.24 : 1,394,443.20 = 557,757.12 : x - Step 2: Convert to fraction form
1,010,466.24/1,394,443.20 = 557,757.12/x - Step 3: Cross multiply
1,010,466.24x = 1,394,443.20 × 557,757.12 - Step 4: Simplify right side
1,010,466.24x = 777,760,623,235.58 - Step 5: Solve for x
x = 777,760,623,235.58/1,010,466.24 - Step 6: Final answer
x = 769,704.71
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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.