Finding the Fourth Proportional to 829,997.20, 1,244,995.80 and 755,201.80
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Solution
The fourth proportional to 829,997.20, 1,244,995.80 and 755,201.80 is: 1,132,802.70
Step by Step Solution
- Step 1: Write the proportion equation
829,997.20 : 1,244,995.80 = 755,201.80 : x - Step 2: Convert to fraction form
829,997.20/1,244,995.80 = 755,201.80/x - Step 3: Cross multiply
829,997.20x = 1,244,995.80 × 755,201.80 - Step 4: Simplify right side
829,997.20x = 940,223,069,152.44 - Step 5: Solve for x
x = 940,223,069,152.44/829,997.20 - Step 6: Final answer
x = 1,132,802.70
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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.