Finding the Fourth Proportional to 1,010,502.24, 1,394,490.24 and 557,790
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Solution
The fourth proportional to 1,010,502.24, 1,394,490.24 and 557,790 is: 769,748.63
Step by Step Solution
- Step 1: Write the proportion equation
1,010,502.24 : 1,394,490.24 = 557,790 : x - Step 2: Convert to fraction form
1,010,502.24/1,394,490.24 = 557,790/x - Step 3: Cross multiply
1,010,502.24x = 1,394,490.24 × 557,790 - Step 4: Simplify right side
1,010,502.24x = 777,832,710,969.60 - Step 5: Solve for x
x = 777,832,710,969.60/1,010,502.24 - Step 6: Final answer
x = 769,748.63
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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.