Finding the Fourth Proportional to 743,012.66, 1,114,506.97 and 293,737.70
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Solution
The fourth proportional to 743,012.66, 1,114,506.97 and 293,737.70 is: 440,601.80
Step by Step Solution
- Step 1: Write the proportion equation
743,012.66 : 1,114,506.97 = 293,737.70 : x - Step 2: Convert to fraction form
743,012.66/1,114,506.97 = 293,737.70/x - Step 3: Cross multiply
743,012.66x = 1,114,506.97 × 293,737.70 - Step 4: Simplify right side
743,012.66x = 327,372,714,001.77 - Step 5: Solve for x
x = 327,372,714,001.77/743,012.66 - Step 6: Final answer
x = 440,601.80
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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.