Home / 864,227.03-1,296,919.13-358,788.44

Finding the Fourth Proportional to 864,227.03, 1,296,919.13 and 358,788.44

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Solution

The fourth proportional to 864,227.03, 1,296,919.13 and 358,788.44 is: 538,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,227.03 : 1,296,919.13 = 358,788.44 : x
  2. Step 2: Convert to fraction form
    864,227.03/1,296,919.13 = 358,788.44/x
  3. Step 3: Cross multiply
    864,227.03x = 1,296,919.13 × 358,788.44
  4. Step 4: Simplify right side
    864,227.03x = 465,319,589,143.85
  5. Step 5: Solve for x
    x = 465,319,589,143.85/864,227.03
  6. Step 6: Final answer
    x = 538,422.86

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1.5x scale

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.