Home / 993,936-1,491,137.28-329,088

Finding the Fourth Proportional to 993,936, 1,491,137.28 and 329,088

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Solution

The fourth proportional to 993,936, 1,491,137.28 and 329,088 is: 493,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,936 : 1,491,137.28 = 329,088 : x
  2. Step 2: Convert to fraction form
    993,936/1,491,137.28 = 329,088/x
  3. Step 3: Cross multiply
    993,936x = 1,491,137.28 × 329,088
  4. Step 4: Simplify right side
    993,936x = 490,715,385,200.64
  5. Step 5: Solve for x
    x = 490,715,385,200.64/993,936
  6. Step 6: Final answer
    x = 493,709.24

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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.