Home / 868,913.45-1,199,138.48-481,704.24

Finding the Fourth Proportional to 868,913.45, 1,199,138.48 and 481,704.24

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Solution

The fourth proportional to 868,913.45, 1,199,138.48 and 481,704.24 is: 664,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,913.45 : 1,199,138.48 = 481,704.24 : x
  2. Step 2: Convert to fraction form
    868,913.45/1,199,138.48 = 481,704.24/x
  3. Step 3: Cross multiply
    868,913.45x = 1,199,138.48 × 481,704.24
  4. Step 4: Simplify right side
    868,913.45x = 577,630,090,163.16
  5. Step 5: Solve for x
    x = 577,630,090,163.16/868,913.45
  6. Step 6: Final answer
    x = 664,772.87

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Double scale
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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.