Finding the Fourth Proportional to 743,460.26, 1,115,751.22 and 344,381.02
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Solution
The fourth proportional to 743,460.26, 1,115,751.22 and 344,381.02 is: 516,831.31
Step by Step Solution
- Step 1: Write the proportion equation
743,460.26 : 1,115,751.22 = 344,381.02 : x - Step 2: Convert to fraction form
743,460.26/1,115,751.22 = 344,381.02/x - Step 3: Cross multiply
743,460.26x = 1,115,751.22 × 344,381.02 - Step 4: Simplify right side
743,460.26x = 384,243,543,209.84 - Step 5: Solve for x
x = 384,243,543,209.84/743,460.26 - Step 6: Final answer
x = 516,831.31
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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.