Home / 864,469.32-1,192,857.60-482,512.20

Finding the Fourth Proportional to 864,469.32, 1,192,857.60 and 482,512.20

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Solution

The fourth proportional to 864,469.32, 1,192,857.60 and 482,512.20 is: 665,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,469.32 : 1,192,857.60 = 482,512.20 : x
  2. Step 2: Convert to fraction form
    864,469.32/1,192,857.60 = 482,512.20/x
  3. Step 3: Cross multiply
    864,469.32x = 1,192,857.60 × 482,512.20
  4. Step 4: Simplify right side
    864,469.32x = 575,568,344,862.72
  5. Step 5: Solve for x
    x = 575,568,344,862.72/864,469.32
  6. Step 6: Final answer
    x = 665,805.40

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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.