Home / 767,919.89-1,059,940.23-445,733.79

Finding the Fourth Proportional to 767,919.89, 1,059,940.23 and 445,733.79

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Solution

The fourth proportional to 767,919.89, 1,059,940.23 and 445,733.79 is: 615,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,919.89 : 1,059,940.23 = 445,733.79 : x
  2. Step 2: Convert to fraction form
    767,919.89/1,059,940.23 = 445,733.79/x
  3. Step 3: Cross multiply
    767,919.89x = 1,059,940.23 × 445,733.79
  4. Step 4: Simplify right side
    767,919.89x = 472,451,172,752.35
  5. Step 5: Solve for x
    x = 472,451,172,752.35/767,919.89
  6. Step 6: Final answer
    x = 615,234.97

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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.