Finding the Fourth Proportional to 1,010,475.84, 1,394,457.84 and 557,766.84
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Solution
The fourth proportional to 1,010,475.84, 1,394,457.84 and 557,766.84 is: 769,718.89
Step by Step Solution
- Step 1: Write the proportion equation
1,010,475.84 : 1,394,457.84 = 557,766.84 : x - Step 2: Convert to fraction form
1,010,475.84/1,394,457.84 = 557,766.84/x - Step 3: Cross multiply
1,010,475.84x = 1,394,457.84 × 557,766.84 - Step 4: Simplify right side
1,010,475.84x = 777,782,342,930.03 - Step 5: Solve for x
x = 777,782,342,930.03/1,010,475.84 - Step 6: Final answer
x = 769,718.89
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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.