Home / 667,408.65-1,000,668.18-346,772.58

Finding the Fourth Proportional to 667,408.65, 1,000,668.18 and 346,772.58

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Solution

The fourth proportional to 667,408.65, 1,000,668.18 and 346,772.58 is: 519,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,408.65 : 1,000,668.18 = 346,772.58 : x
  2. Step 2: Convert to fraction form
    667,408.65/1,000,668.18 = 346,772.58/x
  3. Step 3: Cross multiply
    667,408.65x = 1,000,668.18 × 346,772.58
  4. Step 4: Simplify right side
    667,408.65x = 347,004,286,502.50
  5. Step 5: Solve for x
    x = 347,004,286,502.50/667,408.65
  6. Step 6: Final answer
    x = 519,927.76

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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.