Finding the Fourth Proportional to 810,514, 1,214,774.53 and 454,780.68
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Solution
The fourth proportional to 810,514, 1,214,774.53 and 454,780.68 is: 681,611.90
Step by Step Solution
- Step 1: Write the proportion equation
810,514 : 1,214,774.53 = 454,780.68 : x - Step 2: Convert to fraction form
810,514/1,214,774.53 = 454,780.68/x - Step 3: Cross multiply
810,514x = 1,214,774.53 × 454,780.68 - Step 4: Simplify right side
810,514x = 552,455,986,800.08 - Step 5: Solve for x
x = 552,455,986,800.08/810,514 - Step 6: Final answer
x = 681,611.90
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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.