Home / 691,749.04-1,037,655.36-211,942.48

Finding the Fourth Proportional to 691,749.04, 1,037,655.36 and 211,942.48

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Solution

The fourth proportional to 691,749.04, 1,037,655.36 and 211,942.48 is: 317,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,749.04 : 1,037,655.36 = 211,942.48 : x
  2. Step 2: Convert to fraction form
    691,749.04/1,037,655.36 = 211,942.48/x
  3. Step 3: Cross multiply
    691,749.04x = 1,037,655.36 × 211,942.48
  4. Step 4: Simplify right side
    691,749.04x = 219,923,250,383.69
  5. Step 5: Solve for x
    x = 219,923,250,383.69/691,749.04
  6. Step 6: Final answer
    x = 317,923.46

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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.