Finding the Fourth Proportional to 762,660.36, 1,052,457.30 and 423,121.32
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Solution
The fourth proportional to 762,660.36, 1,052,457.30 and 423,121.32 is: 583,899.66
Step by Step Solution
- Step 1: Write the proportion equation
762,660.36 : 1,052,457.30 = 423,121.32 : x - Step 2: Convert to fraction form
762,660.36/1,052,457.30 = 423,121.32/x - Step 3: Cross multiply
762,660.36x = 1,052,457.30 × 423,121.32 - Step 4: Simplify right side
762,660.36x = 445,317,122,019.64 - Step 5: Solve for x
x = 445,317,122,019.64/762,660.36 - Step 6: Final answer
x = 583,899.66
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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.