Finding the Fourth Proportional to 698,768.37, 964,294.52 and 392,846.09
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Solution
The fourth proportional to 698,768.37, 964,294.52 and 392,846.09 is: 542,124.32
Step by Step Solution
- Step 1: Write the proportion equation
698,768.37 : 964,294.52 = 392,846.09 : x - Step 2: Convert to fraction form
698,768.37/964,294.52 = 392,846.09/x - Step 3: Cross multiply
698,768.37x = 964,294.52 × 392,846.09 - Step 4: Simplify right side
698,768.37x = 378,819,328,620.83 - Step 5: Solve for x
x = 378,819,328,620.83/698,768.37 - Step 6: Final answer
x = 542,124.32
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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.