Finding the Fourth Proportional to 756,787.14, 1,044,374.40 and 412,620.26
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Solution
The fourth proportional to 756,787.14, 1,044,374.40 and 412,620.26 is: 569,420.39
Step by Step Solution
- Step 1: Write the proportion equation
756,787.14 : 1,044,374.40 = 412,620.26 : x - Step 2: Convert to fraction form
756,787.14/1,044,374.40 = 412,620.26/x - Step 3: Cross multiply
756,787.14x = 1,044,374.40 × 412,620.26 - Step 4: Simplify right side
756,787.14x = 430,930,031,243.47 - Step 5: Solve for x
x = 430,930,031,243.47/756,787.14 - Step 6: Final answer
x = 569,420.39
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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.