Home / 629,012.48-868,037.28-342,532.48

Finding the Fourth Proportional to 629,012.48, 868,037.28 and 342,532.48

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Solution

The fourth proportional to 629,012.48, 868,037.28 and 342,532.48 is: 472,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,012.48 : 868,037.28 = 342,532.48 : x
  2. Step 2: Convert to fraction form
    629,012.48/868,037.28 = 342,532.48/x
  3. Step 3: Cross multiply
    629,012.48x = 868,037.28 × 342,532.48
  4. Step 4: Simplify right side
    629,012.48x = 297,330,962,250.85
  5. Step 5: Solve for x
    x = 297,330,962,250.85/629,012.48
  6. Step 6: Final answer
    x = 472,694.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.