Finding the Fourth Proportional to 747,973.47, 1,121,960.21 and 187,007.97
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Solution
The fourth proportional to 747,973.47, 1,121,960.21 and 187,007.97 is: 280,511.96
Step by Step Solution
- Step 1: Write the proportion equation
747,973.47 : 1,121,960.21 = 187,007.97 : x - Step 2: Convert to fraction form
747,973.47/1,121,960.21 = 187,007.97/x - Step 3: Cross multiply
747,973.47x = 1,121,960.21 × 187,007.97 - Step 4: Simplify right side
747,973.47x = 209,815,501,292.87 - Step 5: Solve for x
x = 209,815,501,292.87/747,973.47 - Step 6: Final answer
x = 280,511.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.