Finding the Fourth Proportional to 1,010,318.58, 1,394,226.81 and 557,580.42
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Solution
The fourth proportional to 1,010,318.58, 1,394,226.81 and 557,580.42 is: 769,453.90
Step by Step Solution
- Step 1: Write the proportion equation
1,010,318.58 : 1,394,226.81 = 557,580.42 : x - Step 2: Convert to fraction form
1,010,318.58/1,394,226.81 = 557,580.42/x - Step 3: Cross multiply
1,010,318.58x = 1,394,226.81 × 557,580.42 - Step 4: Simplify right side
1,010,318.58x = 777,393,570,295.06 - Step 5: Solve for x
x = 777,393,570,295.06/1,010,318.58 - Step 6: Final answer
x = 769,453.90
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1.5x scale
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.