Finding the Fourth Proportional to 845,434.67, 1,267,881.37 and 276,661.58
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Solution
The fourth proportional to 845,434.67, 1,267,881.37 and 276,661.58 is: 414,903.81
Step by Step Solution
- Step 1: Write the proportion equation
845,434.67 : 1,267,881.37 = 276,661.58 : x - Step 2: Convert to fraction form
845,434.67/1,267,881.37 = 276,661.58/x - Step 3: Cross multiply
845,434.67x = 1,267,881.37 × 276,661.58 - Step 4: Simplify right side
845,434.67x = 350,774,065,554.81 - Step 5: Solve for x
x = 350,774,065,554.81/845,434.67 - Step 6: Final answer
x = 414,903.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.