Home / 775,850.44-1,070,694.90-469,862.20

Finding the Fourth Proportional to 775,850.44, 1,070,694.90 and 469,862.20

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Solution

The fourth proportional to 775,850.44, 1,070,694.90 and 469,862.20 is: 648,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,850.44 : 1,070,694.90 = 469,862.20 : x
  2. Step 2: Convert to fraction form
    775,850.44/1,070,694.90 = 469,862.20/x
  3. Step 3: Cross multiply
    775,850.44x = 1,070,694.90 × 469,862.20
  4. Step 4: Simplify right side
    775,850.44x = 503,079,061,242.78
  5. Step 5: Solve for x
    x = 503,079,061,242.78/775,850.44
  6. Step 6: Final answer
    x = 648,422.73

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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.