Finding the Fourth Proportional to 893,574.37, 1,233,145.11 and 485,676.09
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Solution
The fourth proportional to 893,574.37, 1,233,145.11 and 485,676.09 is: 670,239.79
Step by Step Solution
- Step 1: Write the proportion equation
893,574.37 : 1,233,145.11 = 485,676.09 : x - Step 2: Convert to fraction form
893,574.37/1,233,145.11 = 485,676.09/x - Step 3: Cross multiply
893,574.37x = 1,233,145.11 × 485,676.09 - Step 4: Simplify right side
893,574.37x = 598,909,095,427.42 - Step 5: Solve for x
x = 598,909,095,427.42/893,574.37 - Step 6: Final answer
x = 670,239.79
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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.