Home / 775,320.39-1,069,785.32-452,968.23

Finding the Fourth Proportional to 775,320.39, 1,069,785.32 and 452,968.23

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Solution

The fourth proportional to 775,320.39, 1,069,785.32 and 452,968.23 is: 625,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,320.39 : 1,069,785.32 = 452,968.23 : x
  2. Step 2: Convert to fraction form
    775,320.39/1,069,785.32 = 452,968.23/x
  3. Step 3: Cross multiply
    775,320.39x = 1,069,785.32 × 452,968.23
  4. Step 4: Simplify right side
    775,320.39x = 484,578,764,012.80
  5. Step 5: Solve for x
    x = 484,578,764,012.80/775,320.39
  6. Step 6: Final answer
    x = 625,004.54

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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.