Finding the Fourth Proportional to 753,007.62, 1,039,148.38 and 451,201.62
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Solution
The fourth proportional to 753,007.62, 1,039,148.38 and 451,201.62 is: 622,656.95
Step by Step Solution
- Step 1: Write the proportion equation
753,007.62 : 1,039,148.38 = 451,201.62 : x - Step 2: Convert to fraction form
753,007.62/1,039,148.38 = 451,201.62/x - Step 3: Cross multiply
753,007.62x = 1,039,148.38 × 451,201.62 - Step 4: Simplify right side
753,007.62x = 468,865,430,220.37 - Step 5: Solve for x
x = 468,865,430,220.37/753,007.62 - Step 6: Final answer
x = 622,656.95
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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.