Home / 748,668.20-1,033,162.60-409,136.48

Finding the Fourth Proportional to 748,668.20, 1,033,162.60 and 409,136.48

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Solution

The fourth proportional to 748,668.20, 1,033,162.60 and 409,136.48 is: 564,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,668.20 : 1,033,162.60 = 409,136.48 : x
  2. Step 2: Convert to fraction form
    748,668.20/1,033,162.60 = 409,136.48/x
  3. Step 3: Cross multiply
    748,668.20x = 1,033,162.60 × 409,136.48
  4. Step 4: Simplify right side
    748,668.20x = 422,704,509,431.65
  5. Step 5: Solve for x
    x = 422,704,509,431.65/748,668.20
  6. Step 6: Final answer
    x = 564,608.61

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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.