Finding the Fourth Proportional to 810,154.24, 1,214,480.10 and 277,548.70
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Solution
The fourth proportional to 810,154.24, 1,214,480.10 and 277,548.70 is: 416,065.68
Step by Step Solution
- Step 1: Write the proportion equation
810,154.24 : 1,214,480.10 = 277,548.70 : x - Step 2: Convert to fraction form
810,154.24/1,214,480.10 = 277,548.70/x - Step 3: Cross multiply
810,154.24x = 1,214,480.10 × 277,548.70 - Step 4: Simplify right side
810,154.24x = 337,077,372,930.87 - Step 5: Solve for x
x = 337,077,372,930.87/810,154.24 - Step 6: Final answer
x = 416,065.68
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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.