Finding the Fourth Proportional to 968,993.68, 1,337,198.22 and 539,273.68
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Solution
The fourth proportional to 968,993.68, 1,337,198.22 and 539,273.68 is: 744,190.41
Step by Step Solution
- Step 1: Write the proportion equation
968,993.68 : 1,337,198.22 = 539,273.68 : x - Step 2: Convert to fraction form
968,993.68/1,337,198.22 = 539,273.68/x - Step 3: Cross multiply
968,993.68x = 1,337,198.22 × 539,273.68 - Step 4: Simplify right side
968,993.68x = 721,115,804,988.85 - Step 5: Solve for x
x = 721,115,804,988.85/968,993.68 - Step 6: Final answer
x = 744,190.41
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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.