Home / 681,857.04-1,022,785.46-647,762.64

Finding the Fourth Proportional to 681,857.04, 1,022,785.46 and 647,762.64

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Solution

The fourth proportional to 681,857.04, 1,022,785.46 and 647,762.64 is: 971,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,857.04 : 1,022,785.46 = 647,762.64 : x
  2. Step 2: Convert to fraction form
    681,857.04/1,022,785.46 = 647,762.64/x
  3. Step 3: Cross multiply
    681,857.04x = 1,022,785.46 × 647,762.64
  4. Step 4: Simplify right side
    681,857.04x = 662,522,209,723.21
  5. Step 5: Solve for x
    x = 662,522,209,723.21/681,857.04
  6. Step 6: Final answer
    x = 971,643.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.