Home / 752,968.38-1,039,090.60-408,797.48

Finding the Fourth Proportional to 752,968.38, 1,039,090.60 and 408,797.48

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Solution

The fourth proportional to 752,968.38, 1,039,090.60 and 408,797.48 is: 564,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,968.38 : 1,039,090.60 = 408,797.48 : x
  2. Step 2: Convert to fraction form
    752,968.38/1,039,090.60 = 408,797.48/x
  3. Step 3: Cross multiply
    752,968.38x = 1,039,090.60 × 408,797.48
  4. Step 4: Simplify right side
    752,968.38x = 424,777,618,771.69
  5. Step 5: Solve for x
    x = 424,777,618,771.69/752,968.38
  6. Step 6: Final answer
    x = 564,137.39

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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.