Home / 740,984.54-1,022,558.46-401,452.78

Finding the Fourth Proportional to 740,984.54, 1,022,558.46 and 401,452.78

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Solution

The fourth proportional to 740,984.54, 1,022,558.46 and 401,452.78 is: 554,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,984.54 : 1,022,558.46 = 401,452.78 : x
  2. Step 2: Convert to fraction form
    740,984.54/1,022,558.46 = 401,452.78/x
  3. Step 3: Cross multiply
    740,984.54x = 1,022,558.46 × 401,452.78
  4. Step 4: Simplify right side
    740,984.54x = 410,508,936,479.52
  5. Step 5: Solve for x
    x = 410,508,936,479.52/740,984.54
  6. Step 6: Final answer
    x = 554,004.73

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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.