Home / 671,353.08-1,006,789.72-221,991

Finding the Fourth Proportional to 671,353.08, 1,006,789.72 and 221,991

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Solution

The fourth proportional to 671,353.08, 1,006,789.72 and 221,991 is: 332,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,353.08 : 1,006,789.72 = 221,991 : x
  2. Step 2: Convert to fraction form
    671,353.08/1,006,789.72 = 221,991/x
  3. Step 3: Cross multiply
    671,353.08x = 1,006,789.72 × 221,991
  4. Step 4: Simplify right side
    671,353.08x = 223,498,256,732.52
  5. Step 5: Solve for x
    x = 223,498,256,732.52/671,353.08
  6. Step 6: Final answer
    x = 332,907.17

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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.