Finding the Fourth Proportional to 807,201.05, 1,113,938.73 and 444,626.21
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Solution
The fourth proportional to 807,201.05, 1,113,938.73 and 444,626.21 is: 613,584.88
Step by Step Solution
- Step 1: Write the proportion equation
807,201.05 : 1,113,938.73 = 444,626.21 : x - Step 2: Convert to fraction form
807,201.05/1,113,938.73 = 444,626.21/x - Step 3: Cross multiply
807,201.05x = 1,113,938.73 × 444,626.21 - Step 4: Simplify right side
807,201.05x = 495,286,358,476.96 - Step 5: Solve for x
x = 495,286,358,476.96/807,201.05 - Step 6: Final answer
x = 613,584.88
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1.5x scale
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.