Home / 751,286.36-1,126,941.89-211,555.62

Finding the Fourth Proportional to 751,286.36, 1,126,941.89 and 211,555.62

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Solution

The fourth proportional to 751,286.36, 1,126,941.89 and 211,555.62 is: 317,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,286.36 : 1,126,941.89 = 211,555.62 : x
  2. Step 2: Convert to fraction form
    751,286.36/1,126,941.89 = 211,555.62/x
  3. Step 3: Cross multiply
    751,286.36x = 1,126,941.89 × 211,555.62
  4. Step 4: Simplify right side
    751,286.36x = 238,410,890,242.92
  5. Step 5: Solve for x
    x = 238,410,890,242.92/751,286.36
  6. Step 6: Final answer
    x = 317,336.91

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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.