Finding the Fourth Proportional to 771,259.67, 1,156,515.67 and 386,843.39
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Solution
The fourth proportional to 771,259.67, 1,156,515.67 and 386,843.39 is: 580,077.58
Step by Step Solution
- Step 1: Write the proportion equation
771,259.67 : 1,156,515.67 = 386,843.39 : x - Step 2: Convert to fraction form
771,259.67/1,156,515.67 = 386,843.39/x - Step 3: Cross multiply
771,259.67x = 1,156,515.67 × 386,843.39 - Step 4: Simplify right side
771,259.67x = 447,390,447,914.23 - Step 5: Solve for x
x = 447,390,447,914.23/771,259.67 - Step 6: Final answer
x = 580,077.58
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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.