Home / 752,668.56-1,038,682.12-425,975.60

Finding the Fourth Proportional to 752,668.56, 1,038,682.12 and 425,975.60

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Solution

The fourth proportional to 752,668.56, 1,038,682.12 and 425,975.60 is: 587,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,668.56 : 1,038,682.12 = 425,975.60 : x
  2. Step 2: Convert to fraction form
    752,668.56/1,038,682.12 = 425,975.60/x
  3. Step 3: Cross multiply
    752,668.56x = 1,038,682.12 × 425,975.60
  4. Step 4: Simplify right side
    752,668.56x = 442,453,239,276.27
  5. Step 5: Solve for x
    x = 442,453,239,276.27/752,668.56
  6. Step 6: Final answer
    x = 587,846.05

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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.