Finding the Fourth Proportional to 854,353.76, 1,178,995.24 and 467,170.42
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Solution
The fourth proportional to 854,353.76, 1,178,995.24 and 467,170.42 is: 644,688.09
Step by Step Solution
- Step 1: Write the proportion equation
854,353.76 : 1,178,995.24 = 467,170.42 : x - Step 2: Convert to fraction form
854,353.76/1,178,995.24 = 467,170.42/x - Step 3: Cross multiply
854,353.76x = 1,178,995.24 × 467,170.42 - Step 4: Simplify right side
854,353.76x = 550,791,697,333.39 - Step 5: Solve for x
x = 550,791,697,333.39/854,353.76 - Step 6: Final answer
x = 644,688.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.