Finding the Fourth Proportional to 939,983.44, 1,297,197.36 and 532,085.80
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Solution
The fourth proportional to 939,983.44, 1,297,197.36 and 532,085.80 is: 734,289.85
Step by Step Solution
- Step 1: Write the proportion equation
939,983.44 : 1,297,197.36 = 532,085.80 : x - Step 2: Convert to fraction form
939,983.44/1,297,197.36 = 532,085.80/x - Step 3: Cross multiply
939,983.44x = 1,297,197.36 × 532,085.80 - Step 4: Simplify right side
939,983.44x = 690,220,295,053.49 - Step 5: Solve for x
x = 690,220,295,053.49/939,983.44 - Step 6: Final answer
x = 734,289.85
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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.