Finding the Fourth Proportional to 899,231.22, 1,239,730.11 and 871,368.84
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Solution
The fourth proportional to 899,231.22, 1,239,730.11 and 871,368.84 is: 1,201,317.49
Step by Step Solution
- Step 1: Write the proportion equation
899,231.22 : 1,239,730.11 = 871,368.84 : x - Step 2: Convert to fraction form
899,231.22/1,239,730.11 = 871,368.84/x - Step 3: Cross multiply
899,231.22x = 1,239,730.11 × 871,368.84 - Step 4: Simplify right side
899,231.22x = 1,080,262,187,863.77 - Step 5: Solve for x
x = 1,080,262,187,863.77/899,231.22 - Step 6: Final answer
x = 1,201,317.49
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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.