Finding the Fourth Proportional to 1,010,284.74, 1,394,190.09 and 557,572.50
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Solution
The fourth proportional to 1,010,284.74, 1,394,190.09 and 557,572.50 is: 769,448.48
Step by Step Solution
- Step 1: Write the proportion equation
1,010,284.74 : 1,394,190.09 = 557,572.50 : x - Step 2: Convert to fraction form
1,010,284.74/1,394,190.09 = 557,572.50/x - Step 3: Cross multiply
1,010,284.74x = 1,394,190.09 × 557,572.50 - Step 4: Simplify right side
1,010,284.74x = 777,362,053,956.53 - Step 5: Solve for x
x = 777,362,053,956.53/1,010,284.74 - Step 6: Final answer
x = 769,448.48
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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.