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Finding the Fourth Proportional to 492,175.05, 739,063.53 and 303,832.67

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Solution

The fourth proportional to 492,175.05, 739,063.53 and 303,832.67 is: 456,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,175.05 : 739,063.53 = 303,832.67 : x
  2. Step 2: Convert to fraction form
    492,175.05/739,063.53 = 303,832.67/x
  3. Step 3: Cross multiply
    492,175.05x = 739,063.53 × 303,832.67
  4. Step 4: Simplify right side
    492,175.05x = 224,551,642,873.69
  5. Step 5: Solve for x
    x = 224,551,642,873.69/492,175.05
  6. Step 6: Final answer
    x = 456,243.45

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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.