Finding the Fourth Proportional to 1,010,496.84, 1,394,486.88 and 557,787.84
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Solution
The fourth proportional to 1,010,496.84, 1,394,486.88 and 557,787.84 is: 769,747.90
Step by Step Solution
- Step 1: Write the proportion equation
1,010,496.84 : 1,394,486.88 = 557,787.84 : x - Step 2: Convert to fraction form
1,010,496.84/1,394,486.88 = 557,787.84/x - Step 3: Cross multiply
1,010,496.84x = 1,394,486.88 × 557,787.84 - Step 4: Simplify right side
1,010,496.84x = 777,827,824,703.54 - Step 5: Solve for x
x = 777,827,824,703.54/1,010,496.84 - Step 6: Final answer
x = 769,747.90
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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.