Home / 689,680.24-1,033,849.41-329,757.55

Finding the Fourth Proportional to 689,680.24, 1,033,849.41 and 329,757.55

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Solution

The fourth proportional to 689,680.24, 1,033,849.41 and 329,757.55 is: 494,315.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,680.24 : 1,033,849.41 = 329,757.55 : x
  2. Step 2: Convert to fraction form
    689,680.24/1,033,849.41 = 329,757.55/x
  3. Step 3: Cross multiply
    689,680.24x = 1,033,849.41 × 329,757.55
  4. Step 4: Simplify right side
    689,680.24x = 340,919,648,510.55
  5. Step 5: Solve for x
    x = 340,919,648,510.55/689,680.24
  6. Step 6: Final answer
    x = 494,315.52

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1.5x scale

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.