Home / 919,469.68-1,376,254.48-491,936

Finding the Fourth Proportional to 919,469.68, 1,376,254.48 and 491,936

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Solution

The fourth proportional to 919,469.68, 1,376,254.48 and 491,936 is: 736,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,469.68 : 1,376,254.48 = 491,936 : x
  2. Step 2: Convert to fraction form
    919,469.68/1,376,254.48 = 491,936/x
  3. Step 3: Cross multiply
    919,469.68x = 1,376,254.48 × 491,936
  4. Step 4: Simplify right side
    919,469.68x = 677,029,123,873.28
  5. Step 5: Solve for x
    x = 677,029,123,873.28/919,469.68
  6. Step 6: Final answer
    x = 736,325.67

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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.